Tag: Windows 11 performance

VLC performance Windows 11 affected by Microsoft Defender plugin bug
August 16, 2026

Why VLC Performance on Windows 11 Is Slow — and What to Do Now

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VLC performance on Windows 11 has taken a serious hit — and for once, it genuinely isn’t VLC’s fault. A bug tied to Microsoft Defender is causing startup delays of up to 33 seconds on millions of PCs, and Microsoft has yet to ship a permanent patch. If your video playback feels sluggish, stuttery, or VLC takes an age to open an MP3, you’re not alone, and there are things you can do right now.

What Is Actually Causing the VLC Playback Issue on Windows 11?

Microsoft Defender scanning VLC plugin cache causing Windows 11 playback delays

The core problem is Microsoft Defender scanning VLC’s plugin cache file on every launch. When Defender flags or quarantines part of that cache — even as a false positive — VLC is forced to rebuild it from scratch before it can play anything. That rebuild process is the source of the infamous 33-second delay that users have been reporting since mid-2026.

VideoLAN, the non-profit behind VLC, confirmed the issue publicly via its official X (formerly Twitter) account, explicitly naming a recent Microsoft Defender update as the trigger. The Windows Latest report from August 14, 2026 adds crucial nuance: VLC’s own bug tracker reveals the situation is messier than a single Defender update, with multiple overlapping reports pointing to plugin cache corruption, Defender quarantine events, and slower I/O performance under Windows 11’s memory management in certain hardware configurations.

The 33-Second Delay: Why Does VLC Stutter So Badly?

When the plugin cache is missing or corrupted — whether because Defender nuked it or for another reason — VLC 3.0.23 and later versions can take anywhere from 5 to 33 seconds just to open an MP3 file. On HDDs the wait is worst; SSD users see shorter delays, but still noticeable pauses compared to what VLC used to deliver. The delay occurs at startup, not during playback itself, which is why it catches users off-guard: the app appears to have frozen before the UI even loads.

This is a VLC slow Windows 11 issue that disproportionately affects users who updated Windows Defender definitions in July or August 2026. On systems where Defender scanned and quarantined the plugins.dat cache file, VLC effectively has to reindex every installed codec module before it can function — a process the player was never designed to run every single session.

Why Hasn’t Microsoft Fixed This VLC Windows 11 Problem?

Windows 11 Defender exclusions settings to improve VLC performance fix

Microsoft’s position — or rather its conspicuous silence — is frustrating. Defender definition updates are pushed continuously and silently; there is no formal patch cycle for false positives the way there is for kernel vulnerabilities. The Defender team can quietly adjust a definition to stop flagging VLC’s cache, but users have no visibility into when or whether that happens.

VideoLAN’s developers have pointed out that this dynamic unfairly burdens open-source projects. A commercial vendor can open a direct support channel with Microsoft; a volunteer-driven open-source team has to rely on public bug reports and social-media callouts to get traction. It is a systemic problem that goes well beyond any single VLC playback issue.

Is This a VLC Bug or a Windows 11 Bug?

Honestly, both organisations carry some responsibility — but the weight falls on Microsoft’s side. VLC’s plugin cache architecture is long-standing and functional on every other platform. The behaviour that breaks it — Defender silently modifying or quarantining files inside an installed application’s directory — is a Windows 11 behaviour Microsoft controls entirely. VLC cannot defend against a security tool that has elevated kernel-level access to its own files.

That said, VideoLAN’s bug tracker shows VLC playback issues that predate the Defender incident, including performance regressions tied to Windows 11’s hardware-accelerated GPU scheduling (HAGS) on certain Nvidia and AMD GPU configurations. The Defender story is the most dramatic, but VLC slow Windows 11 complaints are rooted in more than one cause.

How to Fix VLC Performance on Windows 11 Right Now

Five-step VLC Windows 11 fix checklist for slow video playback issues

You don’t have to wait for Microsoft or VideoLAN to release a patch. The following steps resolve the majority of reported VLC playback issues on Windows 11 immediately.

1. Reinstall VLC or Regenerate the Plugin Cache

The fastest VLC Windows 11 fix is to force a clean plugin cache regeneration. You can do this in two ways:

  • Full reinstall: Uninstall VLC via Settings → Apps → Installed Apps, delete any leftover files in %APPDATA%\vlc, then download and reinstall the latest version from VideoLAN’s official site.

  • Manual cache reset: Navigate to C:\Program Files\VideoLAN\VLC\, delete plugins\plugins.dat, then launch VLC — it will rebuild the cache fresh on startup.

2. Add VLC to Microsoft Defender’s Exclusion List

This stops Defender from scanning and potentially corrupting VLC’s plugin cache in future:

  1. Open Windows Security → Virus & Threat Protection → Manage Settings.

  2. Scroll to Exclusions and click Add or remove exclusions.

  3. Add the full VLC installation folder: C:\Program Files\VideoLAN\VLC\.

  4. Restart VLC and test playback.

Note: Only exclude the VLC folder — do not add blanket exclusions to your entire Program Files directory.

3. Disable Hardware-Accelerated GPU Scheduling (if stuttering persists)

If you’re seeing VLC playback issues during video (not just on startup), HAGS may be the culprit:

  • Go to Settings → System → Display → Graphics → Change default graphics settings.

  • Toggle Hardware-accelerated GPU scheduling off.

  • Restart your PC and retest VLC performance on Windows 11.

4. Switch VLC’s Video Output to DirectDraw or OpenGL

Inside VLC, go to Tools → Preferences → Video and change the Output dropdown from Auto to DirectDraw (older hardware) or OpenGL (modern GPUs). This sidesteps certain Windows 11 compositor conflicts that throttle VLC playback on multi-monitor setups.

5. Increase VLC’s File Cache Value

In Tools → Preferences → Show All → Input / Codecs, find File caching (ms) and raise it from the default 300 ms to 1500 ms. This gives VLC more buffer headroom and reduces mid-playback stalls on systems where Defender or Windows 11’s I/O scheduler causes latency spikes.

Should You Upgrade or Reinstall Windows 11?

A clean Windows 11 install can help if you’re seeing system-wide performance degradation beyond VLC, but it is overkill for this specific VLC playback issue. The Defender exclusion and cache regeneration steps above resolve the 33-second startup delay without touching your OS installation. If you’re running a heavily updated Windows 11 build and performance is suffering across the board, that’s a broader conversation — but don’t wipe your drive just because VLC is slow.

What does make sense is ensuring your Windows 11 licence is legitimate and fully activated, since OEM or unactivated copies can exhibit unusual background service behaviour that compounds performance problems. At Buy Now Key, you can grab a genuine Windows 11 Pro licence from €17.90 or a Windows 11 Home OEM key from just €9.65 — both with lifetime activation. If you’re also struggling with broader Windows slowdowns beyond VLC, our guide to Windows performance tuning with built-in tools is a great next step.

What VLC Users Should Watch for Next

VideoLAN has stated it is working with community contributors to make VLC’s plugin cache more resilient against external interference — essentially, making the cache harder for third-party security tools to accidentally corrupt. Microsoft has not formally acknowledged a specific Defender definition error, though anecdotal reports suggest the most aggressive flagging behaviour has eased slightly in the most recent Defender updates pushed in August 2026.

In the meantime, the VLC Windows 11 fix steps above give you real, working relief. The wider lesson is that Windows 11’s tighter integration between Defender and the kernel — well-intentioned from a security standpoint — creates new categories of collateral damage for legitimate applications. Until Microsoft provides a more transparent mechanism for app developers to flag false positives, incidents like this will keep happening.

FAQ

Why is VLC so slow to open on Windows 11?

The most common cause in mid-2026 is a Microsoft Defender update that scans or quarantines VLC’s plugin cache file, forcing VLC to rebuild it on every launch. This can add 5 to 33 seconds to startup time. Regenerating the cache manually or adding VLC’s folder to Defender’s exclusion list fixes the problem immediately.

Is the VLC playback issue a VLC bug or a Windows 11 bug?

Microsoft Defender’s behaviour is the primary trigger — it is modifying files inside a legitimately installed application without user consent. VideoLAN confirmed this publicly. However, VLC’s bug tracker also shows separate, pre-existing playback regressions linked to Windows 11’s GPU scheduling on certain hardware, so it’s not entirely one-sided.

Will Microsoft release a patch for the VLC slow Windows 11 problem?

Microsoft has not officially acknowledged a specific bug tied to this incident. Defender definition updates are rolled out continuously, and the relevant false-positive behaviour may already be corrected silently in newer definitions. There is no scheduled Windows Update patch for this specific VLC playback issue.

Does disabling Microsoft Defender fix VLC performance on Windows 11?

You should not disable Defender entirely — that leaves your PC unprotected. Instead, add only VLC’s installation folder as a Defender exclusion. This stops the cache-scanning behaviour while keeping full system protection active everywhere else.

Which version of VLC works best on Windows 11?

VLC 3.0.23 and the latest 3.0.x release are the recommended stable versions for Windows 11 as of August 2026. Nightly builds of VLC 4.0 are available for testing but are not recommended for daily use. Always download directly from VideoLAN’s official website to avoid unofficial, modified versions.

Windows 11 cumulative updates notification on a modern laptop screen
August 13, 2026

Windows 11 Cumulative Updates August 2026: What’s Fixed

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The August 2026 Windows 11 cumulative updates — KB5121003 and KB5120240 — are now rolling out to all supported devices, and they are not optional. Released on 12 August 2026 as part of Microsoft’s monthly Patch Tuesday cycle, these updates collectively address 400 security vulnerabilities, including three actively exploited zero-days, making them among the most critical releases of the year. If you haven’t installed them yet, read on to understand exactly what’s fixed, what’s improved, and how to get your PC protected.

What Are KB5121003 and KB5120240?

Windows 11 cumulative updates KB5121003 and KB5120240 package icons infographic

KB5121003 and KB5120240 are Windows 11 security patches targeting different release branches. KB5121003 applies to Windows 11 versions 24H2 and 25H2 (OS Builds 26100.9168 and 26200.9168), while KB5120240 covers earlier supported builds. Both updates are classified as mandatory cumulative updates — meaning Windows Update will push them automatically to devices that haven’t opted out of automatic updates. Together they represent the full August 2026 Patch Tuesday rollout for Windows 11.

Microsoft’s own support page for KB5121003 confirms the update provides broad security improvements and includes new Secure Boot certificate targeting, designed to harden systems against firmware-level attacks.

400 Vulnerabilities Fixed: The Security Breakdown

The August 2026 Patch Tuesday Windows 11 release is one of the largest in recent memory. According to reporting by BleepingComputer, the full patch batch addresses 400 flaws across the Windows ecosystem, with the most severe breakdown as follows:

  • 42 Critical vulnerabilities patched in total
  • 37 Remote Code Execution (RCE) flaws within those Critical CVEs
  • 5 Elevation of Privilege vulnerabilities rated Critical
  • 3 zero-day exploits confirmed as actively exploited in the wild

Remote code execution flaws are among the most dangerous classes of vulnerability — they can allow an attacker to run arbitrary code on your machine without any interaction from you beyond visiting a compromised page or opening a malicious file. The three zero-days mean threat actors were already using these gaps before Microsoft published the fix, which is precisely why this update should be treated as urgent.

Windows 11 Security Patch: Key Fixes in KB5121003

Windows 11 security patch August 2026 vulnerability breakdown chart with 400 fixes

Beyond raw vulnerability counts, the August Windows 11 security patch includes a range of targeted quality and stability fixes that real users will notice day-to-day. Here is a summary of the most significant changes confirmed across multiple sources:

  • Secure Boot certificate updates — Additional high-confidence device targeting to block unauthorised bootloaders, directly addressing firmware-level attack vectors.
  • Slow startup fix — A bug causing extremely slow boot times on certain hardware configurations has been resolved.
  • Memory leak resolved — A memory leak affecting background processes was causing gradual performance degradation; KB5121003 stops the leak.
  • App search improvements — The Start menu and Settings search now handle typos and partial app names more reliably, making it faster to find installed apps on low-end PCs.
  • Voice Isolation — The update activates Voice Isolation in supported audio settings, filtering background noise during calls and recordings.
  • File Explorer readable sizes — File sizes in Explorer are now displayed in a more human-readable format, removing ambiguity about whether a listed size is in KB, MB, or GB.
  • External fingerprint sign-in — Improved support for external fingerprint readers at the Windows Hello login screen, broadening biometric authentication without built-in hardware.
  • USB/xHCI regression fix — A regression introduced in a previous update that broke certain USB controller configurations has been corrected.

Patch Tuesday Windows 11: Which Versions Are Affected?

Not all Windows 11 installations receive the same update package. Here is how Microsoft has split the August rollout:

  • Windows 11 24H2 & 25H2 → KB5121003 (Builds 26100.9168 / 26200.9168)
  • Windows 11 26H1 → KB5121000 (Build 28000.2704)
  • Earlier supported builds → KB5120240

Devices running editions that have reached end-of-servicing will not receive these fixes. Microsoft’s support documentation explicitly states that such devices will no longer receive fixes for known issues or time zone updates — another strong reason to stay on a supported version. If you are still running Windows 10 or an out-of-support Windows 11 build, you are exposed to all 400 of these vulnerabilities with no official mitigation.

Should You Install the Windows 11 Updates Immediately?

Yes — particularly given the three active zero-days. Microsoft classifies these Windows 11 updates as mandatory, and independent security researchers echo that recommendation. The combination of three in-the-wild zero-days and 37 critical remote code execution flaws means the risk of delaying is measurably higher than the risk of installing. The known post-install issue is limited to a USB/xHCI regression for specific controller setups, which Microsoft has already confirmed is fixed within KB5121003 itself.

To install manually: open Settings → Windows Update → Check for updates. The update will appear automatically if it hasn’t already downloaded in the background. A restart is required to complete installation.

Windows 11 Updates and Your Licence: Are You Covered?

Windows 11 updates settings screen showing cumulative update installation steps

Cumulative updates like KB5121003 are free for all activated Windows 11 installations — Microsoft does not charge for security patches. However, they only apply to genuine, activated copies of Windows 11. If your PC is running an unactivated or counterfeit licence, Windows Update may still deliver the update file, but you remain at risk because system integrity protections are weakened on non-genuine installations.

If you’re on Windows 10 or an older version and these headlines are prompting an overdue upgrade, now is a sensible time to act. Buy Now Key offers genuine Microsoft Windows 11 Pro (Retail) licences from €17.90 — a one-time purchase that gives you lifetime activation, full Windows Update coverage, and every future security patch as it drops. There is also a more affordable Microsoft Windows 11 Home OEM option from €9.65 if you are activating on a single new device and don’t need the Pro feature set.

Not sure which edition suits you? Read our in-depth Windows 11 Pro vs Home comparison to pick the right version before you buy.

How These Windows 11 Security Patches Relate to Previous Updates

The August release builds on a year of increasingly substantial monthly updates. In May 2026, for example, Microsoft shipped KB5089549, which alone patched 120 vulnerabilities alongside Xbox mode integration and a critical BitLocker recovery fix. The August 2026 batch dwarfs that figure at 400 flaws, reflecting both the growing attack surface of a maturing OS and Microsoft’s shift toward consolidating previously deferred patches into single large rollouts.

The Secure Boot improvements in KB5121003 are particularly notable in the context of earlier 2026 vulnerabilities. A zero-day BitLocker bypass exploit (CVE-2026-45585) disclosed earlier this year demonstrated that firmware-level weaknesses can let attackers read encrypted drives with nothing more than a USB stick. The new Secure Boot certificate targeting in August’s update closes a related class of bootloader exploits before they reach that severity.

How to Check Your Current Windows 11 Build

Before or after installing the update, you can confirm exactly which build is running on your machine:

  1. Press Win + R, type winver, and press Enter.
  2. The About Windows dialog shows your exact OS build number.
  3. Compare it against the target build for your version (e.g. 26100.9168 for 24H2).
  4. If your build is lower, go to Settings → Windows Update and install pending updates.

After a successful install and restart, running winver again should reflect the updated build number, confirming KB5121003 or its equivalent is applied.

For the complete official changelog and issue history, refer to Microsoft’s own support article: August 11, 2026 — KB5121003 (OS Builds 26200.9168 and 26100.9168).

Frequently Asked Questions

Are KB5121003 and KB5120240 mandatory Windows 11 updates?

Yes. Both are classified as mandatory security updates by Microsoft. They form the August 2026 Patch Tuesday cumulative rollout and will be pushed automatically to devices running Windows Update. Because they address actively exploited zero-days, Microsoft and independent security researchers strongly advise installing them without delay.

What zero-days do the August 2026 Windows 11 updates fix?

The August 2026 Patch Tuesday fixes three zero-day vulnerabilities that were confirmed as being actively exploited in the wild at the time of release. Microsoft has not publicly disclosed the full technical details of all three at launch — this is standard practice to give users time to patch before full exploit code circulates widely.

Will these Windows 11 security patches slow down my PC?

No performance regressions have been widely reported with KB5121003. On the contrary, the update specifically fixes a memory leak and slow-startup bug, meaning many users may notice modest performance improvements after installation. The known USB/xHCI regression from an earlier update is also resolved in this release.

Do I need a new Windows licence to receive these updates?

No — cumulative security updates are free for all genuine, activated Windows 11 installations. If you are running an unactivated copy, obtaining a legitimate licence ensures you receive full update protection and system integrity features going forward.

What if I’m still on Windows 10 — am I protected by these patches?

Windows 10 receives separate Patch Tuesday updates and is not covered by KB5121003 or KB5120240. Windows 10 mainstream support ended in October 2025, meaning only paid Extended Security Updates (ESU) provide continued patches. Upgrading to Windows 11 on supported hardware is the most straightforward long-term solution for staying protected.

How do I manually download KB5121003 if Windows Update isn’t working?

You can download the update directly from the Microsoft Update Catalog by searching for the KB number at catalog.update.microsoft.com. Download the .msu file matching your build (24H2 or 25H2), double-click to run the Windows Update Standalone Installer, and restart when prompted. This method bypasses Windows Update delivery but installs the identical package.

Microsoft AI chip inside a modern data centre with Windows logo etched on silicon
August 12, 2026

Microsoft AI Chip Manufacturing: What It Means for Windows 11 PCs

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Microsoft AI chip development has moved from a research project to a full-scale manufacturing strategy — and for anyone running Windows 11, the ripple effects are already on the way. With custom processors like the Maia 200 and Cobalt 200 now powering Azure data centres, the question isn’t whether in-house silicon matters. It’s how soon those performance gains reach the PC on your desk.

Why Microsoft Decided to Build Its Own AI chips

Infographic comparing Microsoft AI chip strategy with Apple and Google custom silicon

For most of its history, Microsoft was a software company that let Intel, AMD, and Qualcomm worry about the silicon. That changed in 2023 when the company unveiled its first generation of custom chips — the Maia 100 AI accelerator and the Cobalt 100 ARM-based CPU — at its Azure Ignite event. The strategic logic was straightforward: as AI workloads scale, depending on third-party silicon means depending on someone else’s roadmap, someone else’s pricing, and someone else’s supply chain.

The move mirrors what Apple did with its M-series chips and what Google did with its Tensor Processing Units (TPUs). By owning the full stack — from silicon design to cloud infrastructure to the operating system — a company gains far tighter control over cost, performance, and energy efficiency. Microsoft AI chip manufacturing push is, at its core, a bid for that same vertical integration.

Maia 200: The Numbers Behind the Hype

The second-generation Maia 200, announced in January 2026, is where Microsoft’s custom silicon ambitions become genuinely impressive on paper. Built on TSMC’s 3nm process and containing over 140 billion transistors, the chip delivers more than 10 petaFLOPS at 4-bit precision (FP4) and more than 5 petaFLOPS at 8-bit precision (FP8). Microsoft claims the Maia 200 offers approximately 30% better performance-per-dollar than the previous generation of Azure hardware — a significant efficiency gain at data-centre scale.

The chip is designed specifically for AI inference rather than training. That distinction matters for Windows users: inference is what runs when you ask Copilot a question, generate an image in Paint Cocreator, or get a real-time summary in Edge. Faster, cheaper inference in the cloud translates directly to snappier AI features in Windows 11 — fewer spinning circles, more immediate responses.

For technical detail straight from the source, Microsoft’s official blog post on the Maia 200 AI accelerator covers the architecture, memory system, and workload targets in depth.

Cobalt 200 and the ARM Shift in Windows

Diagram showing how Microsoft custom chip powers Windows 11 Copilot and Azure services

Alongside Maia, the Cobalt line handles general-purpose cloud computing using ARM-based cores. This is significant because it parallels the broader Windows on ARM story unfolding in consumer devices. Qualcomm’s Snapdragon X Elite already powers the first wave of Copilot+ PCs running Windows 11, and Microsoft’s own ARM infrastructure gives the company hard-won expertise in optimising Windows for non-x86 architectures.

In practical terms, as Microsoft refines its ARM-optimised software stack for Azure’s Cobalt servers, those optimisations feed back into Windows 11’s ARM compatibility layer. Applications that run better on Cobalt-powered Azure VMs tend to signal where the Windows-on-ARM emulation layer needs improvement — and Microsoft is incentivised to fix both at the same time.

Custom Silicon and Windows 11 Performance: The Direct Connection

It’s worth being clear about what Microsoft AI chip manufacturing does and doesn’t change for today’s Windows 11 user. Maia and Cobalt live in Azure data centres — they are not going into your next laptop or desktop. The performance gains are felt through cloud-connected features, not raw local compute.

Here is where the impact is most concrete:

  • Copilot responses: Cloud-side inference on Maia 200 hardware means faster, more capable responses when you query Microsoft Copilot from Windows 11.

  • Azure AI services: Developers building Windows apps that call Azure OpenAI or Azure Cognitive Services benefit from lower latency and lower API costs — savings that can trickle down to end-user software.

  • Windows Update and telemetry processing: Background cloud services that analyse crash reports, compatibility data, and update rollout decisions all run faster on better infrastructure.

  • OneDrive and Microsoft 365 AI features: Real-time document summarisation, transcription, and intelligent search rely on the same Azure inference pipeline that Maia 200 powers.

  • Recall and on-device AI: For Copilot+ PCs, much of the AI runs locally via the Qualcomm or Intel NPU — but fallback to cloud processing, and the enrichment of local models, still depends on Azure silicon quality.

What This Means for Copilot+ PC Buyers Right Now

Windows 11 Pro laptop connected to Microsoft AI chip powered Azure cloud infrastructure

If you are shopping for a Windows 11 machine in 2026, Microsoft’s custom silicon strategy reinforces a clear buying signal: the Copilot+ PC platform is being built for the long term. Microsoft is not simply licensing AI features from Nvidia or AMD — it is investing billions in the infrastructure layer that makes those features reliable at scale. That is good news for the longevity of the Copilot+ ecosystem and for the value of a Windows 11 Pro licence on a capable machine.

That said, for most everyday tasks — productivity, creative work, local gaming — the bottleneck is still your local CPU, GPU, and RAM, not the cloud. A well-specified Windows 11 system remains the right foundation. If you want to explore your options, Windows 11 Pro continues to be the strongest choice for users who want the full suite of security, virtualisation, and AI features, while Windows 11 Home covers the essentials for personal and home-office use.

How Microsoft AI chip Strategy Compares to Rivals

Microsoft is not alone in the custom silicon race. Google’s TPU v5 powers Gemini inference in Google Workspace. Amazon’s Trainium 2 drives AWS Bedrock. Apple’s M4 handles on-device AI in macOS and iPadOS. What sets Microsoft’s approach apart is the deliberate pairing of cloud silicon (Maia) with a consumer operating system (Windows 11) and a consumer AI assistant (Copilot) that millions of people use every day.

Nvidia remains the dominant player in AI training silicon by a wide margin — and Microsoft continues to buy Nvidia H100 and H200 GPUs in large quantities. The Maia line is not intended to replace Nvidia outright; it is designed to handle inference workloads at lower cost per query, freeing up expensive Nvidia hardware for model training. This two-tier approach is increasingly common among hyperscalers and positions Microsoft to scale Copilot features without proportional cost increases.

AI Chip Manufacturing and the Future of Windows Updates

One underappreciated angle is how better cloud infrastructure accelerates the pace of Windows 11 feature development. When Microsoft can run more AI experiments faster and cheaper on its own silicon, the feedback loop from experiment to shipping feature tightens. The rapid cadence of Copilot improvements in recent Windows 11 updates — from better voice interaction to smarter Snap Assist suggestions — reflects a company that can iterate quickly because its cloud costs are under control.

Looking further ahead, Microsoft has hinted at future Maia and Cobalt generations that could eventually find their way into dedicated co-processor roles on Windows PCs, similar to how Apple’s Neural Engine sits alongside the M-series CPU. If that happens, the line between cloud AI features and on-device AI features will blur significantly, and the Windows 11 experience could become substantially more capable without requiring an internet connection.

Should You Upgrade to Windows 11 Before AI Features Mature?

The honest answer is yes — for reasons that go beyond AI. Windows 10 reaches end of support in October 2025, meaning no further security patches. Running an unsupported OS is a genuine risk. Windows 11, with its stronger default security posture (TPM 2.0, Secure Boot, Windows Hello), is the right platform regardless of whether you plan to use Copilot heavily.

The AI chip manufacturing story simply adds another layer of confidence: Microsoft is committing serious capital to the infrastructure that makes Windows 11’s AI features better over time. Getting on Windows 11 now means you are positioned to benefit from every Maia-powered Copilot improvement as it rolls out — without having to think about it. For a deeper look at how Windows 11 handles your current hardware, the Windows 11 system requirements guide is a practical starting point before you make any upgrade decision.

FAQ

What is the Microsoft Maia 200 chip?

The Maia 200 is Microsoft’s second-generation custom AI chip, announced in January 2026. It is built on TSMC’s 3nm process, contains over 140 billion transistors, and is designed specifically for AI inference workloads in Azure data centres. It delivers more than 10 petaFLOPS at FP4 precision and offers around 30% better performance-per-dollar than the previous generation of Azure AI hardware.

Will Microsoft’s custom chips end up in Windows PCs?

Not immediately. Maia and Cobalt are cloud infrastructure chips designed for Azure servers. However, Microsoft has signalled an interest in eventually integrating custom silicon into PC hardware — a path Apple blazed with its M-series chips. For now, Windows 11 users benefit indirectly through faster and cheaper cloud AI services rather than through a chip inside their machine.

How does Microsoft AI chip manufacturing affect Copilot in Windows 11?

Copilot’s cloud-side responses are generated by inference hardware running in Azure data centres. As Maia 200 replaces older hardware in those data centres, queries processed on Maia silicon will return faster and at lower infrastructure cost. The practical result for Windows 11 users is quicker Copilot replies and the ability for Microsoft to scale new Copilot features without prohibitive cost increases.

Does custom silicon change which version of Windows 11 I should buy?

No — the choice between Windows 11 Home and Windows 11 Pro still comes down to your local needs: BitLocker encryption, Remote Desktop, Hyper-V, and Group Policy are the key Pro extras. Custom cloud silicon improves AI services available across both editions. Choose the version that matches your use case rather than your cloud infrastructure preferences.

Is Microsoft trying to replace Nvidia with its own AI chips?

Not entirely. Microsoft continues to purchase large quantities of Nvidia H100 and H200 GPUs for model training, where Nvidia’s CUDA ecosystem remains unmatched. The Maia line targets inference — running trained models at scale — where custom silicon can be more cost-efficient. It is a complementary strategy, not a direct replacement plan.

When should I upgrade to Windows 11 ahead of the AI feature rollout?

Sooner rather than later. Windows 10 loses security support in October 2025, making it a genuine vulnerability for unpatched users. Windows 11 is already the platform receiving all new AI features powered by both local NPUs and Microsoft’s growing cloud infrastructure. Upgrading now ensures you receive every improvement as it ships, without playing catch-up later.

Windows 11 fixes 2026 performance improvements shown on a modern desktop
August 11, 2026

Windows 11 Fixes 2026: The 5 Improvements That Actually Matter

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Windows 11 fixes in 2026 are not vague roadmap promises — Microsoft is actively rolling them out through Insider builds and confirmed public previews. After years of criticism over sluggishness, intrusive AI widgets, and a locked-down taskbar, the company is addressing the core complaints head-on. We dug into the early builds and the official announcements to tell you exactly which of these Windows 11 improvements will change your day-to-day experience, and which are mostly cosmetic.

Why Microsoft Is Prioritising Windows 11 Performance in 2026

Windows 11 performance pillars for improved reliability and memory efficiency

The pressure on Microsoft is real. Windows 10 reaches end of life in October 2025, pushing tens of millions of users to evaluate whether Windows 11 is worth the move. User sentiment data and public forum complaints made it impossible for the company to ignore the performance gap: Windows 11 historically consumes more RAM at idle than Windows 10 and has measurably higher UI interaction latency. According to reporting by Thurrott, Microsoft is explicitly targeting memory efficiency, reduced interaction latency, and improved reliability as its three pillars for 2026 — a frank acknowledgement that the OS shipped with meaningful overhead that users shouldn’t have to tolerate.

The good news: several of these Windows 11 updates are already measurable in testing. Here is what matters most.

Fix 1 — Reduced RAM Usage Under Load

Reducing idle and under-load RAM consumption is Microsoft’s headline Windows 11 performance goal for 2026. Early Insider builds have shown meaningful reductions in the memory footprint of core system processes, with Microsoft specifically targeting background services that ballooned after the 22H2 and 23H2 updates. Independent testers at Windows Latest confirmed that Microsoft has committed to making apps “perform more consistently even under load” through improved memory scheduling.

For everyday users this means fewer situations where opening a browser tab causes a noticeable stutter because system RAM was already under pressure. For professionals running memory-hungry applications — video editors, developers, designers — this is the single most impactful of all the 2026 Windows 11 updates.

  • Reduced idle RAM usage from core system processes
  • Improved memory scheduling so heavy apps get priority
  • More consistent frame pacing in GPU-bound tasks
  • Better behaviour when multiple large applications run simultaneously

Fix 2 — A Movable, Flexible Taskbar

Windows 11 fixes 2026 including movable taskbar and low-latency UI improvements

One of Windows 11’s most-complained-about regressions was the loss of taskbar positioning options that Windows 10 users relied on. The centred Start menu came at the cost of flexibility: you could not move the taskbar to the top or sides of the screen, and resizing it was impossible. Microsoft is finally correcting this as part of the 2026 Windows 11 improvements.

Insider builds have demonstrated a taskbar that can be repositioned and resized, recovering a workflow staple that power users lost at launch. This is more than cosmetic — multi-monitor professionals who run a vertical taskbar on a portrait display have been forced to keep a Windows 10 machine or use third-party workarounds for years. The 2026 fix removes that dependency.

Fix 3 — Lower Interaction Latency Across the UI

Windows 11 performance improvements in 2026 extend well beyond memory. Microsoft has confirmed a dedicated Low Latency Profile for the OS — a system-level change that prioritises UI thread responsiveness. Early reports suggest the profile will enter public rollout around mid-2026, and Insider testing shows noticeably snappier window animations, faster context-menu responses, and reduced input lag when typing or clicking rapidly.

This matters most to anyone who has noticed that Windows 11 feels slightly “floaty” compared with Windows 10 — a perception rooted in the DWM (Desktop Window Manager) scheduling decisions Microsoft made at launch. The low-latency profile directly addresses that scheduling, making the desktop feel more immediate without sacrificing visual polish.

Fix 4 — File Explorer Stability and Speed

Windows 11 updates reducing AI interruptions and ads in the Start menu

File Explorer has been a recurring villain in Windows 11 stability complaints: tab crashes, slow folder opens when network drives are mapped, and the infamous delay when right-clicking large files. The 2026 Windows 11 updates include targeted File Explorer fixes covering all three pain points.

Microsoft has confirmed that File Explorer is receiving architectural improvements to how it handles shell extensions — the third-party add-ons (like 7-Zip or antivirus context-menu entries) that have historically caused the most Explorer crashes. By isolating these extensions in a separate process, a misbehaving shell extension can no longer bring down the entire Explorer window. For users with heavily customised environments, this alone will dramatically reduce the number of times they have to restart Explorer in a session.

  • Shell extensions isolated to prevent cascading crashes
  • Faster folder load times for network-mapped drives
  • Reduced right-click context-menu latency
  • Improved tab stability in multi-tab Explorer sessions

Fix 5 — Fewer Forced AI and Ad Interruptions

Among all the Windows 11 fixes 2026 brings, the reduction of unsolicited Copilot prompts, Start menu advertisements, and lock-screen recommendations may be the one that most visibly changes the experience for ordinary users. Microsoft has announced a deliberate rollback of the aggressiveness with which AI features and promotional content are surfaced, acknowledging that the volume of interruptions was eroding user trust.

Practically, this means fewer “Try Copilot” banners in the Start menu, fewer lock-screen content recommendations served as ads, and a Copilot integration that requires genuine user initiation rather than appearing unbidden. These are not small UX tweaks — they represent a policy shift about how Windows 11 communicates with its users.

Windows 11 Updates Timeline: What to Expect When

Not all of these improvements arrive simultaneously. Here is a rough deployment picture based on confirmed Insider and public-preview information as of mid-2026:

  1. Q1–Q2 2026: RAM efficiency improvements and File Explorer stability fixes — already in Insider Preview builds and rolling to Release Preview.
  2. Mid-2026: Low Latency Profile confirmed for public rollout; taskbar repositioning entering Release Preview.
  3. Late 2026 (25H2 / 26H1): Full public availability of taskbar flexibility and reduced AI interruption policies through the annual feature update cycle.

Microsoft’s version 26H1, scoped to support new 2026 hardware, already reflects silicon-level performance improvements. Users on existing machines will receive most of these improvements through cumulative updates rather than needing to wait for a new major version.

Should You Upgrade to Windows 11 Now or Wait?

The honest answer is that the Windows 11 improvements landing throughout 2026 make upgrading more compelling than it has been at any point since launch. If you are still on Windows 10 ahead of its end-of-support deadline, the risk calculus has shifted: staying on an unsupported OS is a security liability, and the OS you would be upgrading to is meaningfully better than the one that launched in October 2021.

If your machine meets the hardware requirements — and many users are surprised to find it does after checking the full system requirements — the path forward is straightforward. A genuine Windows 11 licence is the foundation: you get all cumulative updates including every Windows 11 performance improvement Microsoft ships, with no subscription required.

At Buy Now Key, Microsoft Windows 11 Pro is available from €17.90, giving you a lifetime retail licence that covers every future update in this wave of Windows 11 fixes. If you need the full OS and a productivity suite together, the Windows 11 Pro and Office 2024 Professional Plus bundle is available from €27.80 — a significant saving on buying both separately.

Windows 11 Performance Tips While You Wait for Updates

While the cumulative rollout of these Windows 11 updates continues, there are steps you can take right now to reduce overhead on your existing installation:

  • Disable startup apps you do not actively use (Settings → Apps → Startup).
  • Turn off background activity for non-essential apps (Settings → System → Power).
  • Review and limit widget panel content, which contributes to background memory usage.
  • Ensure your drivers — particularly GPU and chipset — are current, as driver-level optimisations accompany many of the OS-level Windows 11 performance gains.
  • Run a storage health check; SSD degradation disproportionately impacts the responsiveness improvements Microsoft is targeting at the scheduler level.

Frequently Asked Questions

Are the Windows 11 fixes 2026 free for existing users?

Yes. All the Windows 11 improvements described here are delivered through Windows Update at no additional charge for anyone with a valid Windows 11 licence. You do not need to purchase an upgrade; simply keep Windows Update enabled and the improvements will arrive automatically as they roll out.

When will Windows 11 performance improvements reach my PC?

Several fixes — including RAM efficiency and File Explorer stability — are already in Insider Preview builds and entering the Release Preview channel. Most users on mainstream builds should see these improvements by late 2026 via cumulative updates or the 25H2 feature update. Check Settings → Windows Update to ensure you have the latest cumulative update installed.

Do the 2026 Windows 11 updates require new hardware?

No. The vast majority of the performance and stability improvements are software-level changes that apply to existing hardware. Microsoft’s 26H1 version is specifically scoped to new 2026 silicon, but the RAM, latency, File Explorer, and taskbar fixes are coming to existing devices through cumulative updates.

Is it worth upgrading from Windows 10 now given these Windows 11 improvements?

With Windows 10 reaching end of support in October 2025, upgrading is increasingly important for security. The 2026 Windows 11 updates make the upgrade even more worthwhile — the performance gap that previously made users hesitant is being closed. If your hardware qualifies, upgrading now means you benefit from all incoming improvements immediately.

Will these fixes improve gaming performance on Windows 11?

Partially. The low-latency profile and RAM efficiency improvements will benefit gaming indirectly by reducing OS overhead and improving frame-time consistency. Microsoft has also indicated gaming-specific scheduler improvements are in progress for 2026, though the primary gaming gains will depend on GPU driver updates from Nvidia, AMD, and Intel alongside the OS changes.

Windows 11 RAM specs guide showing official memory requirements for users
August 7, 2026

Windows 11 RAM Specs: What Microsoft’s Changes Mean for You

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Windows 11 RAM specs have just become a hot topic again: Microsoft has quietly removed its long-standing “no worries” 32 GB recommendation from the Windows Learning Center, leaving many users wondering what the real guidance actually is. The short answer is that the official minimum remains 4 GB — but the real-world story is quite a bit more nuanced, and Microsoft’s own behaviour suggests it is rethinking how it communicates memory guidance altogether.

What Microsoft Actually Changed

Microsoft Windows 11 RAM specs documentation change from 32 GB to 4 GB minimum

For some time, Microsoft’s documentation included a tiered RAM recommendation table that effectively told users 32 GB was the “no worries” level for Windows 11 — implying anything below that could involve performance trade-offs. According to a TechPowerUp report, those references have now been quietly deleted, with Microsoft citing significant pushback from gamers and consumers during a period of elevated DRAM prices. The removal is not a bug or an oversight — it is a deliberate editorial decision to stop publishing guidance that was driving unnecessary hardware anxiety.

Crucially, this is not a change to the Windows 11 minimum system requirements. Those remain exactly as they were at launch: 4 GB RAM, a 1 GHz dual-core 64-bit processor, 64 GB of storage, TPM 2.0, and Secure Boot support. What changed is the aspirational tier that existed above the minimum — the one that told enthusiasts how much RAM would make Windows 11 feel truly effortless.

The Official Windows 11 RAM Requirements Right Now

According to Microsoft’s official Windows 11 requirements on Microsoft Learn, the confirmed minimum specification list is:

  • RAM: 4 GB or greater
  • Processor: 1 GHz or faster, 2 or more cores, 64-bit compatible
  • Storage: 64 GB or larger
  • Firmware: UEFI with Secure Boot enabled
  • TPM: Version 2.0
  • Graphics: DirectX 12 compatible, WDDM 2.0 driver
  • Display: HD (720p), 9 inches or larger

Nothing in this list has changed. The 4 GB RAM floor is the same figure Microsoft published when Windows 11 launched in October 2021. If your machine met those specs yesterday, it still meets them today.

Does 4 GB of RAM Actually Cut It for Windows 11?

RAM for Windows 11 performance tiers from 4 GB to 32 GB explained

Technically, yes. Practically, it depends on what you do. Windows 11 at idle on a clean install typically consumes between 2.5 GB and 3.5 GB of RAM, which leaves precious little headroom on a 4 GB system once a browser tab or two is open. Windows 11 RAM requirements set the floor for compatibility — not for a comfortable daily-use experience.

Here is a sensible breakdown of what different amounts of RAM actually deliver in 2026:

  • 4 GB: Meets the official minimum but feels sluggish with multitasking. Suitable only for very light single-task use.
  • 8 GB: The practical sweet spot for most home and office users. Comfortable for web browsing, Office apps, and light media use. Microsoft itself has recently stated that 8 GB should be enough for anyone running Windows 11.
  • 16 GB: Recommended for developers, creatives, and users who regularly run several heavy applications at once.
  • 32 GB+: Useful for video editing, large virtual machines, 3D rendering, and AI workloads — but no longer formally recommended by Microsoft as a general-use target.

Why Did Microsoft Remove the 32 GB RAM for Windows 11 Guidance?

The timing is telling. Global DRAM prices surged significantly in 2024 and into 2025, pushing the cost of a 32 GB upgrade well beyond what many mainstream users were willing or able to spend. When Microsoft lists 32 GB as the premium tier in an official recommendation table, it creates an implicit pressure — users feel their system is underspecced, even if it runs perfectly well for their actual workload.

Removing that tier does two things. First, it reduces the perception gap between what users have and what Microsoft says they should have. Second, it broadens the addressable upgrade market: a user sitting on 8 GB who felt their machine was already “behind” the recommended tier may now feel confident enough to upgrade to Windows 11 rather than dismissing it as not worth the effort on their current hardware.

There is also the question of Copilot and AI features. Microsoft has been careful not to attach heavy RAM requirements to its AI-powered features — doing so would immediately exclude a large chunk of the Windows install base. Removing a high-tier recommendation keeps the messaging inclusive.

Windows 11 Memory: Is Your Current PC Still Supported?

If you are running a modern machine — say, an 8th-generation Intel Core processor or newer, or a 2nd-generation AMD Ryzen or newer — and you have at least 4 GB of RAM with TPM 2.0 enabled, your PC is still fully supported. The removal of the 32 GB recommendation does not affect eligibility or support status in any way.

The real concern for many users is not RAM but the CPU compatibility wall. Windows 11 enforces strict processor requirements, locking out a large number of otherwise capable machines. If you are unsure whether your system qualifies, our detailed guide Do You Meet Windows 11 System Requirements? Check Before You Upgrade walks through every hardware check step by step.

How Much RAM Should You Actually Target in 2026?

Windows 11 licence upgrade options showing RAM requirements for a compatible PC

Independent testing and community consensus consistently point to 16 GB as the sensible practical target for a Windows 11 machine used for anything beyond light tasks. Here is why:

  • Modern browsers are memory-hungry: Chrome or Edge with 10–15 tabs can comfortably consume 3–5 GB on their own.
  • Windows 11’s memory compression and SuperFetch work best when there is enough headroom to cache data intelligently.
  • AI features in Copilot and other tools benefit from available RAM, even if they don’t formally require it.
  • 16 GB provides a buffer against background processes, security software, and system updates that temporarily spike memory use.

For anyone who does creative work, game, or run developer tooling, 32 GB remains a worthwhile investment — Microsoft removing the recommendation does not mean 32 GB is no longer useful, only that it was never a universal requirement.

What This Means If You Are Buying or Upgrading Windows 11

The practical upshot of Microsoft’s documentation change is freeing: if you have been delaying a Windows 11 upgrade because you felt your 8 GB or 16 GB machine was underspecced, you have no reason to wait any longer on memory grounds alone. The operating system will run, and run well, on hardware with RAM for Windows 11 well below the old 32 GB aspirational figure.

If you are ready to upgrade, Buy Now Key offers Windows 11 licences starting from just €9.65 for Windows 11 Home OEM and from €12.90 for Windows 11 Pro OEM — both delivering genuine, lifetime-activated licences at a fraction of retail cost. You can check the full range of editions and bundles in our Windows 11 Pro category.

Already have a compatible machine and want to understand more about what Windows 11 actually uses during daily operation? Our in-depth look at Windows 11 RAM requirements: Is 8 GB really enough in 2026? covers real-world usage figures in detail.

Windows 11 RAM Specs: The Bottom Line

Microsoft removing its 32 GB guidance is a pragmatic move, not a technical one. The Windows 11 RAM specs that matter for compatibility — the 4 GB minimum — have not changed one bit. What has changed is that Microsoft is no longer setting an aspirational bar so high that ordinary users feel their machines are inadequate. For most people, 8 GB gets you through the door comfortably; 16 GB keeps you comfortable for years. And if you need 32 GB for your workload, nothing in this change stops you from installing it — it just means Microsoft will no longer make you feel obligated to.

Frequently Asked Questions

Has Microsoft changed the minimum RAM for Windows 11?

No. The official minimum Windows 11 RAM requirements remain at 4 GB, exactly as they were at launch in October 2021. What Microsoft removed was its separate, non-mandatory tiered recommendation table that suggested 32 GB as the “no worries” level. Your minimum compatibility threshold is unchanged.

Is 8 GB of RAM enough for Windows 11 in 2026?

Yes, for the majority of everyday tasks. Windows 11 runs on 4 GB and works comfortably on 8 GB for typical home and office workloads including web browsing, Microsoft 365, video calls, and media playback. Microsoft has explicitly stated that 8 GB should be sufficient for most Windows 11 users. For heavy multitasking or creative work, 16 GB is a better long-term investment.

Why did Microsoft remove the 32 GB RAM recommendation?

Microsoft removed the tiered 32 GB recommendation largely in response to user pushback during a period of elevated DRAM prices, when asking consumers to target 32 GB felt unreasonable. The move also aligns with Microsoft’s messaging around AI and Copilot features, which the company has been careful not to tie to demanding hardware specifications so as not to exclude its broad user base.

Does less RAM mean my PC will lose Windows 11 support?

Not at all. Support eligibility is determined by the minimum system requirements — 4 GB RAM, a compatible CPU, TPM 2.0, and Secure Boot. The removed 32 GB recommendation was never part of the support criteria. If your PC passed the Windows 11 upgrade check before this documentation change, it still passes today.

What is the best amount of RAM for Windows 11 right now?

For light use, 8 GB is the practical minimum most users should aim for. For general everyday computing, 16 GB delivers noticeable headroom and future-proofs your system against increasingly memory-hungry applications and browser updates. Power users, gamers, and creative professionals who work with large files or run virtual machines will still benefit from 32 GB or more — the recommendation may be gone, but the performance advantage is real.

Windows K2 initiative Microsoft plan to fix Windows 11 quality
August 5, 2026

Windows K2 Initiative: Microsoft’s Plan to Fix Windows 11

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The Windows K2 initiative is Microsoft’s most ambitious attempt to fix Windows 11 from the ground up — targeting the performance slowdowns, reliability failures, and UI rough edges that have frustrated users since launch. Formed internally in late 2025 and slated to shape Windows development through 2026 and 2027, K2 is not a new operating system or a downloadable update. It is a guiding philosophy — a set of commitments that changes how Microsoft builds, tests, and ships Windows going forward.

What Exactly Is the Windows K2 Initiative?

Three pillars of the Windows K2 initiative performance craft reliability

K2 is an internal quality programme built around three core pillars: Performance, Craft, and Reliability. Rather than bolting on new features for headline value, K2 instructs engineering teams to slow down the feature pipeline and prioritise fixing what already exists. According to reporting by Windows Central, K2 effectively serves as a reboot of the Windows user experience — one driven entirely by long-standing user complaints rather than product-marketing roadmaps.

The name “K2” is an internal codename, a nod to the second-highest mountain in the world — implying a significant, difficult climb toward a better product. It does not refer to a version number, a release channel, or any specific build of Windows 11.

The Three Pillars of K2 Windows Update

Each pillar of the Windows K2 initiative targets a distinct category of user frustration. Here is what each one means in practice.

Pillar 1 — Performance

Performance improvements under K2 focus on reducing idle memory usage, shrinking the OS footprint, and closing the gaming performance gap with SteamOS. That last point is significant: Microsoft is reportedly using SteamOS as an internal benchmark, aiming to deliver comparable game frame rates on identical hardware. Other performance targets include faster boot times, lower CPU overhead from background services, and a leaner startup process with fewer pre-installed apps consuming resources before you have even opened a single window.

Pillar 2 — Craft

“Craft” refers to the visual and interaction polish that Windows 11 has often been criticised for lacking. Inconsistent UI elements inherited from Windows 7 and Windows 10 still litter the operating system — old-style dialog boxes sitting alongside modern Fluent Design surfaces. K2 targets these inconsistencies directly, with particular attention to the Start menu (a perennial source of complaints), the taskbar, scrolling behaviour across apps, and the overall coherence of system settings panels. The goal is a Windows that looks and feels like it was built by one team with one vision, not assembled over three decades of patchwork.

Pillar 3 — Reliability

Reliability under the Windows K2 initiative means fewer broken updates, more predictable behaviour after patches, and a tighter feedback loop between users and engineers. Microsoft has acknowledged that its cumulative update cadence has, at times, introduced regressions faster than they could be patched. K2 addresses this by adding more internal quality gates before a build reaches any release ring, and by expanding the telemetry and user-feedback mechanisms that flag regressions early in the Insider pipeline.

Specific Windows 11 Quality Fixes Targeted by K2

Windows K2 initiative Start menu redesign before and after comparison

The Windows 11 quality fix agenda under K2 is concrete, not vague. Confirmed or reported targets include:

  • Start menu redesign — better app organisation, faster search results, and a less cluttered layout that respects how people actually use pinned apps.
  • Taskbar flexibility — restoring options that were removed at Windows 11 launch, such as moving the taskbar and resizing it, following sustained user backlash.
  • Scrolling bugs — erratic or laggy scrolling in File Explorer and other inbox apps has been a low-level but persistent complaint that K2 explicitly targets.
  • AI clutter reduction — Copilot integrations and other AI widgets will be made easier to dismiss or disable, addressing criticism that Microsoft is pushing AI features onto users who did not ask for them.
  • Lower idle memory footprint — background processes will be audited and trimmed so Windows 11 uses less RAM on standby, benefiting devices with 8 GB of memory in particular.
  • Faster Windows Search — indexing performance and result accuracy improvements are on the K2 list, targeting one of the most-complained-about inbox features.
  • Fewer post-update regressions — stricter pre-release testing gates to prevent patches from breaking features that worked before the update.

Why Microsoft Launched the K2 Windows Update Programme Now

Windows 11 launched in October 2021 to a mixed reception. Hardware requirements — particularly the TPM 2.0 mandate — locked out millions of otherwise capable machines, and the feature set at launch felt incomplete compared with Windows 10. In the years since, Microsoft’s push to integrate Copilot AI, update the UI, and ship new capabilities has often come at the cost of stability. Windows 10 reached end-of-life for free security updates in October 2025, which created a wave of forced migrations to Windows 11 — and those new users arrived with high expectations and low patience for rough edges.

At the same time, the rise of SteamOS as a credible desktop gaming alternative put real competitive pressure on Microsoft. When benchmark comparisons showed SteamOS outperforming Windows 11 on identical hardware in some gaming scenarios, it became impossible to ignore. K2 is, in part, Microsoft’s competitive response to that pressure.

Internally, the initiative also reflects a shift in how Windows leadership communicates with its user base. The K2 programme includes structured mechanisms for surfacing user feedback directly to engineering teams — bypassing the usual filter of product management and marketing priorities.

Is K2 a New Version of Windows?

Windows K2 initiative timeline from Windows 11 launch in 2021 to 2027

No. This is the most common misconception around the Windows K2 initiative. There is no “Windows K2” ISO to download, no new version number, and no separate release channel. K2 improvements are being delivered incrementally through the standard Windows 11 cumulative update pipeline — through regular monthly patches and feature updates in 2026 and 2027. You will not need to reinstall Windows to benefit from K2 changes; they will arrive via the same Windows Update mechanism you already use.

What changes is the intent behind those updates. Instead of each update being primarily a vehicle for new features, K2-era updates will increasingly focus on fixing, polishing, and stabilising what is already there.

What the Windows K2 Initiative Means for Everyday Users

For the average Windows 11 user, the practical effect of the K2 Windows update programme should be noticeable over the course of 2026 and into 2027. Expect a Start menu that behaves more predictably, a taskbar you can actually customise, apps that scroll smoothly, and a system that does not slow itself down with background AI processes you never enabled. Gaming performance should incrementally improve on mid-range hardware as the OS footprint shrinks.

For IT professionals managing fleets of devices, the reliability pillar is arguably the most valuable. Fewer post-patch regressions mean fewer emergency rollbacks, and a more predictable update cadence makes planning maintenance windows easier.

If you have been holding off upgrading because Windows 11 felt unfinished, K2 is the clearest signal yet that Microsoft has heard that criticism and is acting on it systematically rather than cosmetically.

Getting Your Windows 11 Licence Ready Before K2 Improvements Land

K2’s improvements are delivered via Windows Update — which means you need a properly licensed, activated copy of Windows 11 to receive them. If you are still on an unlicensed installation or running Windows 10 past its October 2025 security support deadline, now is the right time to sort out a genuine licence.

At Buy Now Key, you can pick up a Windows 11 Pro Retail licence from €17.90 — a single lifetime activation that keeps you on the supported update channel and ensures every K2-era improvement reaches your machine automatically. If you want the full picture on what your system needs before upgrading, the Windows 11 system requirements guide on this site walks you through every hardware check in plain language.

FAQ: Windows K2 Initiative

When will K2 Windows update changes actually arrive?

K2 improvements are being rolled out incrementally through Windows 11 cumulative updates across 2026 and into 2027. There is no single launch date — changes arrive with each update cycle. Some improvements, such as scrolling fixes and Start menu tweaks, may appear in monthly patches, while larger architectural changes will come with feature updates.

Do I need to download anything special to get Windows K2?

No. There is no separate download, ISO, or installation required. If you have a licensed, activated copy of Windows 11 with Windows Update enabled, K2-era improvements will arrive automatically as part of standard cumulative updates. No action is needed beyond keeping your system up to date.

Will the Windows K2 initiative affect Windows 10 users?

K2 is specifically a Windows 11 programme. Windows 10 reached end-of-life for free security updates in October 2025 and is not part of the K2 roadmap. Users still on Windows 10 will need to upgrade to Windows 11 to benefit from K2 improvements — and to continue receiving security patches without paying for Extended Security Updates.

Is Windows K2 Microsoft’s response to SteamOS competition?

Partly, yes. One of K2’s most discussed performance targets is matching SteamOS gaming performance on equivalent hardware — an acknowledgement that Linux-based gaming platforms have narrowed the gap with Windows in certain scenarios. The broader K2 programme goes well beyond gaming, but competitive pressure from SteamOS is widely credited as accelerating Microsoft’s action on performance.

Will K2 fix the Windows 11 Start menu and taskbar?

Yes, both are explicitly on the K2 agenda. The Start menu redesign targets better app organisation, faster search, and a less cluttered layout. Taskbar improvements are expected to restore customisation options — such as taskbar repositioning — that were removed at Windows 11’s original launch. Exact features will be confirmed as individual updates ship.

Windows 11 memory usage RAM meter showing high consumption before fix
August 1, 2026

Windows 11 Memory Usage: Which Apps Hog RAM and What’s Being Fixed

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Windows 11 memory usage is a bigger problem than most users realise — and now Microsoft has said so publicly. The company has acknowledged that its own built-in applications consume far more RAM than they should, directly hurting system responsiveness even on machines with 16 GB of memory or more. A fix centred on the WinUI 3 framework is in progress, but the details matter. Here is a clear breakdown of what is happening, which apps are the worst offenders, and what the incoming patch can realistically be expected to deliver.

Why Microsoft’s Admission on Windows 11 RAM Usage Is a Big Deal

WinUI 3 framework causing high Windows 11 app RAM overhead illustration

It is rare for Microsoft to publicly concede that a core aspect of its operating system is poorly optimised. Yet that is precisely what happened in mid-2026, when the company confirmed it has been working on changes to WinUI — the UI framework that powers most modern built-in Windows 11 applications — specifically to reduce its memory footprint. According to Windows Latest’s reporting, Microsoft stressed that the memory improvements must land before it proceeds with a broader UI rewrite — including a planned Start Menu overhaul. In other words, the RAM problem is now a blocking issue for future Windows 11 development, not a side project.

That context elevates this beyond a routine performance complaint. When Microsoft puts memory optimisation on the critical path for its flagship OS roadmap, it signals that the situation is serious enough to delay other work. For everyday users experiencing sluggishness on otherwise capable hardware, that validation is long overdue.

Which Built-In Apps Drive the Worst Windows 11 RAM Consumption

The culprits are the modern, WinUI-based inbox applications that ship with every copy of Windows 11. These apps were rebuilt using Microsoft’s newer UI toolkit, which — while visually polished — carries a heavyweight rendering engine that loads significant resources even when an app is merely sitting in the background.

  • Microsoft Teams (personal/chat widget): The integrated Teams experience that auto-starts with Windows 11 has been one of the most consistently cited memory offenders, routinely consuming several hundred megabytes at idle.

  • Widgets panel: The Widgets service runs persistent background processes that fetch news, weather, and finance data continuously, adding to overall Windows 11 RAM usage even when the panel is closed.

  • Microsoft Photos: Rebuilt on WinUI 3, Photos loads a heavier runtime than its Windows 10 predecessor despite offering a largely similar feature set to most users.

  • Settings app: The relaunched Settings application — a WinUI shell — keeps portions of itself resident in memory after you close it, a behaviour tied directly to the framework’s initialisation overhead.

  • Cortana / Search indexer: Although Cortana’s profile has shrunk, background search indexing and the Search highlights feature maintain a persistent RAM presence that can spike under load.

  • Xbox app and Game Bar: Game-related services auto-launch on non-gaming machines and contribute to idle memory pressure, particularly on systems with 8 GB of RAM.

The common thread across all these apps is WinUI 3 itself. The framework initialises a rendering stack — DirectComposition, XAML islands, and associated services — regardless of how lightweight the app’s actual workload is. That overhead is the root problem Microsoft has now committed to addressing.

What the WinUI 3 Performance Fix Actually Promises

Four steps to reduce Windows 11 RAM usage and improve system performance

Microsoft’s stated approach is to reduce the per-process memory cost of the WinUI 3 runtime. The key changes being worked on include deferred initialisation (loading rendering components only when an app is actually brought into view rather than at process start), better resource sharing between WinUI processes, and tighter controls over background service lifetimes for inbox apps.

According to PCWorld’s coverage of the story, Microsoft plans a WinUI 3 overhaul specifically before it begins rebuilding major UI surfaces such as the Start Menu. That sequencing is deliberate: a Start Menu written in the current WinUI 3 framework would be catastrophically expensive in RAM terms, so the framework must be leaner first.

What this means practically for users:

  • Idle RAM consumption from built-in apps should fall noticeably once the updated WinUI runtime rolls out through Windows Update.

  • App launch times may improve because less of the rendering stack will be pre-loaded at startup.

  • Systems with 8 GB of RAM — the official minimum for Windows 11 — should see the biggest gains, since they are most constrained by the current overhead.

  • The fix is framework-level, meaning it will benefit all WinUI apps simultaneously rather than requiring individual updates to each application.

However, it is worth tempering expectations. A framework-level memory improvement rarely produces overnight miracles. The optimisations will roll out incrementally, and some apps may require their own updates to take full advantage of the leaner runtime.

How to Reduce Windows 11 RAM Usage Right Now

You do not have to wait for Microsoft’s patch to reclaim memory. Several practical steps can meaningfully reduce Windows 11 memory usage today.

Disable Auto-Starting Apps

Open Task Manager (Ctrl + Shift + Esc), navigate to the Startup apps tab, and disable anything you do not need at boot. Teams personal, Xbox app, and the Widgets service are safe to disable for most users and deliver immediate relief.

Turn Off the Widgets Panel

Right-click the taskbar, select Taskbar settings, and toggle Widgets off. This kills the background data-fetching service and typically frees 150–300 MB of RAM, depending on your system.

Adjust Virtual Memory Settings

If you are on 8 GB of RAM, ensure Windows 11 is managing your page file automatically. Go to System > Advanced system settings > Performance > Advanced > Virtual memory and select “Automatically manage paging file size for all drives.” This gives the OS more headroom when physical RAM is tight.

Uninstall Unused Inbox Apps

Windows 11 allows you to uninstall most built-in apps via Settings > Apps. Removing applications you genuinely never use — such as the Maps app, Solitaire Collection, or the Xbox app on non-gaming machines — eliminates their background processes entirely, which is more effective than simply closing them.

Keep Windows 11 Fully Updated

Microsoft is already shipping incremental memory improvements ahead of the full WinUI overhaul. Staying current via Windows Update ensures you receive these as they land. The May 2026 cumulative update (KB5089549) included memory management refinements as part of its broader patch package — staying up to date is the easiest optimisation of all.

Does Windows 11 Memory Usage Affect Whether You Should Upgrade?

Windows 11 memory fix comparison showing RAM usage before and after patch

If you are still on Windows 10 and weighing an upgrade, this issue deserves honest consideration. Windows 11 does carry a meaningfully higher idle RAM baseline than Windows 10, largely because of the WinUI-based app ecosystem. On machines with 16 GB or more, the difference is rarely felt in practice. On 8 GB systems, particularly those used for productivity tasks that also have a browser open, the overhead can translate into real sluggishness.

That said, Windows 10 reaches end of life in October 2025, meaning it will no longer receive security patches — a far more significant risk than slightly elevated RAM usage. The correct response is not to avoid Windows 11 but to ensure your hardware is genuinely ready for it, and to apply the practical optimisations above while Microsoft’s framework fix matures.

If you need a clean, fully activated copy of Windows 11 at a fair price, Buy Now Key offers Microsoft Windows 11 Pro – Retail with lifetime activation from €17.90, or the more affordable Microsoft Windows 11 Home – OEM from €9.65 — both delivering instant digital delivery and full activation support.

What to Watch For in Upcoming Windows 11 Memory Fix Updates

Microsoft has not published a single release date for the WinUI 3 memory improvements — the changes are being rolled out progressively through Windows Update and preview builds in the Windows Insider Programme. Users who want to track progress should watch for Insider builds that mention “WinUI performance,” “memory management,” or “reduced app resource usage” in their changelogs. The full Start Menu rebuild — which follows the memory work — will itself serve as a signal that the framework optimisation phase is substantially complete.

In the meantime, the Windows 11 KB5089549 update breakdown on this blog covers what Microsoft has already shipped in recent cumulative updates, giving you a clear picture of how performance work is progressing right now.

Frequently Asked Questions

Why does Windows 11 use so much RAM compared to Windows 10?

Windows 11 rebuilt many of its core inbox applications using the WinUI 3 framework, which carries a heavier rendering stack than the older Win32 apps it replaced. This framework loads DirectComposition and XAML services even for relatively lightweight applications, driving up baseline Windows 11 RAM usage. Microsoft has acknowledged this overhead and is actively working to reduce the WinUI 3 per-process memory cost.

Which Windows 11 apps use the most memory?

The biggest consumers of Windows 11 RAM at idle are typically Teams (personal integration), the Widgets panel, Microsoft Photos, and the Settings application — all of which are built on WinUI 3. Background services tied to the Xbox app and Cortana also contribute. Disabling auto-start for these apps is the fastest way to cut idle RAM consumption.

Will Microsoft’s WinUI 3 fix automatically apply to my PC?

Yes. Because the fix targets the WinUI 3 runtime itself rather than individual applications, it will be delivered as part of cumulative Windows Updates. You do not need to reinstall Windows or sideload anything — keeping Windows Update enabled is sufficient. Some benefits may also arrive through Microsoft Store updates to individual inbox apps.

Is 8 GB of RAM still enough for Windows 11?

8 GB meets the official Windows 11 system requirements and works adequately for light use. However, with current WinUI overhead, multitasking on an 8 GB system — especially alongside a browser with multiple tabs open — can feel constrained. Microsoft’s memory fix should meaningfully improve the experience, but 16 GB remains the practical sweet spot for comfortable day-to-day use in 2026.

Can I disable built-in Windows 11 apps to save RAM?

Yes, most inbox apps that you do not use can be uninstalled via Settings > Apps, or disabled from auto-starting via Task Manager’s Startup apps tab. Removing unused WinUI apps eliminates their background processes entirely, which is more effective than simply closing them. Apps like Maps, Solitaire, and the Xbox app are safe to remove on non-gaming machines.