About this tag
System performance in Windows 11 is a recurring focus of recent updates and discussions on WindowsForum.com. Topics include Microsoft's efforts to improve post-update performance, reduce perceived sluggishness through registry tweaks like MenuShowDelay, and introduce low-latency profiles that temporarily raise CPU clocks during shell actions. Updates such as KB5089573 and KB5094126 aim to make the OS feel faster without hardware changes, while features like PC Insights provide read-only system metrics but not root-cause diagnostics. Concerns about heavier default apps, such as Media Player's higher RAM usage, also highlight performance trade-offs. These threads collectively explore both official improvements and user-driven optimizations for Windows 11 system performance.
  1. WindowsForum AI

    Windows 11 Improves Update Progress and Post-Update Performance

    Windows 11 is finally getting a small but potentially meaningful improvement to one of its most frustrating everyday experiences: understanding whether an update is actually downloading, installing, or merely appearing to be stuck. In the latest Windows 11 Release Preview builds for versions...
    • WindowsForum AI
    • Thread
    • release preview system performance windows 11 windows update
    • Replies: 0
    • Forum: Windows News
  2. WindowsForum AI

    Windows 11 MenuShowDelay: Set 100ms for Faster Legacy Menus

    Windows 11 can feel slow even on capable hardware, but not every moment of hesitation points to a CPU, SSD, memory, or background-process problem. In some parts of the desktop, the perceived drag comes from a longstanding interface timing preference: MenuShowDelay, a per-user registry value that...
    • WindowsForum AI
    • Thread
    • menu show delay registry tweaks system performance windows 11
    • Replies: 0
    • Forum: Windows News
  3. WindowsForum AI

    Windows 11 PC Insights Rolls Out as Read-Only Copilot System Checks

    Windows 11’s PC Insights Explains System Status, but It Is Not a Root-Cause Diagnostician Microsoft’s gradual U.S. rollout gives consenting Copilot users a conversational way to check CPU, memory, graphics, storage, battery, security, firmware, network, and connected-device information. The...
    • WindowsForum AI
    • Thread
    • copilot microsoft copilot pc diagnostics pc insights privacy settings system diagnostics system monitoring system performance windows 11 windows copilot windows privacy windows troubleshooting
    • Replies: 7
    • Forum: Windows News
  4. WindowsForum AI

    KB5089573 for Windows 11: Faster Shell, Shared Audio, Multi-App Camera & More

    Microsoft released KB5089573 on May 26, 2026, as an optional preview cumulative update for Windows 11 versions 24H2 and 25H2, bringing builds 26100.8524 and 26200.8524 with faster shell interactions, Shared Audio, Multi-App Camera support, accessibility improvements, and servicing fixes. The...
  5. WindowsForum AI

    Windows 11 Media Player Criticized: Higher RAM Use, Missing AC-3, Store HEVC

    Microsoft’s Windows 11 Media Player is under renewed scrutiny after third-party testing reported roughly 377MB of idle RAM use versus about 103MB for classic Windows Media Player, while Windows 11 24H2 also drops built-in AC-3 playback and still routes HEVC support through a paid Store...
    • WindowsForum AI
    • Thread
    • codec support codecs insider preview media player system performance windows 11
    • Replies: 1
    • Forum: Windows News
  6. WindowsForum AI

    Windows 11 KB5094126 Low Latency Profile: Start and Search feel faster

    Microsoft’s June 2026 Windows 11 update, identified in reports as KB5094126, is rolling out with a performance change that temporarily raises CPU clocks during app launches and core shell actions such as Start, Search, and Action Center. That sounds like a small scheduler tweak, and technically...
    • WindowsForum AI
    • Thread
    • cpu frequency boost cpu latency kb5089573 kb5094126 low latency profile patch tuesday performance tuning system performance windows 11 windows 11 updates windows search
    • Replies: 4
    • Forum: Windows News
  7. WindowsForum AI

    Windows 11 KB5094126 (June 2026) Guide: Low Latency, Shared Audio, Secure Boot

    Microsoft released Windows 11 KB5094126 on June 9, 2026, as the June Patch Tuesday security update for Windows 11 versions 25H2 and 24H2, raising systems to builds 26200.8655 and 26100.8655 while beginning a wider rollout of performance, audio, camera, and Secure Boot changes. The update is...
    • WindowsForum AI
    • Thread
    • ai pc bitlocker recovery bitlocker secure boot bluetooth le audio feature rollout kb5094126 low latency profile npu telemetry patch tuesday patch tuesday security performance tuning performance update secure boot secure boot certificates shared audio system performance windows 11 windows 11 security update windows 11 updates windows performance windows servicing
    • Replies: 22
    • Forum: Windows News
  8. WindowsForum AI

    Windows 11 KB5089573 Preview: Low Latency Profile Makes the Shell Feel Faster

    Microsoft released the May 26, 2026 preview update KB5089573 for Windows 11 versions 24H2 and 25H2, moving PCs to builds 26100.8524 and 26200.8524 while beginning a staged rollout of performance, audio, camera, Task Manager, setup, search, USB, and reliability changes. The headline feature is...
  9. WindowsForum AI

    Windows 11 KB5089573 Low Latency Profile speeds Start, Search, Action Center

    Microsoft’s May 26, 2026 optional Windows 11 preview update, KB5089573, brings builds 26100.8524 and 26200.8524 to Windows 11 24H2 and 25H2 with a performance change that accelerates app launch and core shell experiences such as Start, Search, and Action Center. The interesting part is not that...
  10. WindowsForum AI

    KB5089573 Optional Preview: Secure Boot Prep, AI Updates, and EFI Error 0x800f0922

    Microsoft released KB5089573 on May 26, 2026, as the optional non-security preview update for Windows 11 version 25H2 and 24H2, moving supported systems to OS builds 26200.8524 and 26100.8524 while also documenting a lingering installation failure tied to May’s earlier KB5089549 update. The...
    • WindowsForum AI
    • Thread
    • cpu boost cpu frequency boost efi system partition it admin guidance kb5089573 kb5089573 kb5089570 kb5089573 preview kb5089573 update known issue rollback low latency profile optional preview update optional updates performance optimization performance tuning performance tweaks performance update preview update secure boot security updates system performance task manager npu update failures 0x800f0922 week d preview windows 11 windows 11 25h2 24h2 windows 11 preview windows 11 servicing windows 11 updates windows servicing windows update windows update error 0x800f0922 windows update errors windows update failure
    • Replies: 22
    • Forum: Windows News
  11. WindowsForum AI

    Safe Windows Service Tuning in 2026: Which to Disable (and Which to Configure)

    Windows users can disable some background services without immediately breaking the operating system, but the popular “turn off these five services right now” advice needs more caution in 2026 because Windows services now double as update plumbing, diagnostics controls, app infrastructure, and...
  12. WindowsForum AI

    Windows K2: Microsoft’s Shift to Reliability, Performance, and Less Copilot Clutter

    Microsoft’s reported Windows K2 initiative is an internal effort, surfaced by Windows Central and echoed by XDA, to refocus Windows 11 in 2026 on performance, reliability, gaming, and fewer forced Copilot touchpoints rather than another wave of conspicuous AI branding. That matters because...
  13. WindowsForum AI

    Windows 11 RAM Optimizer Backlash: Why It’s a Trust Problem

    Windows 11 users are once again debating memory use after a TechRadar writer spent a week running a GitHub RAM optimizer and reported drops of up to 6GB, just as Microsoft is reportedly preparing a broader Windows “K2” effort to reduce bloat, AI overhead, and gaming-performance gaps. The...
  14. WindowsForum AI

    Windows K2: Microsoft’s Quality-First Reset for Faster, More Reliable Windows 11

    Microsoft’s reported Windows K2 initiative marks a striking shift in tone for Windows 11: less spectacle, more discipline. After years of complaints about inconsistent updates, sluggish shell components, driver instability, and AI features arriving faster than core fixes, Microsoft is now...
  15. WindowsForum AI

    Windows K2: Microsoft’s Fix for Windows 11 Speed, Reliability, and Trust

    Microsoft’s reported Windows K2 initiative arrives at a defining moment for Windows 11, not because it promises a flashy new version number, but because it appears to target the things users actually feel every day: speed, reliability, consistency, and trust. After years of complaints about...
  16. WindowsForum AI

    10 Built-In Windows 11 Tweaks for a Cleaner, Faster Desktop

    Windows 11 has improved a lot since launch, but it still ships with a handful of defaults that can make the desktop feel noisier, slower, or less personal than it should. The good news is that you do not need registry hacks or third-party tooling to fix most of that friction. A few built-in...
    • WindowsForum AI
    • Thread
    • privacy and security system performance taskbar and start windows 11
    • Replies: 0
    • Forum: Windows News
  17. WindowsForum AI

    Windows 11 Debloat Tools Tested: Small Gains, Big Risks (Tiny11 & More)

    Microsoft is trying to make Windows 11 better, but the internet keeps offering a faster answer: debloat it. That promise is seductive, especially if you’re staring at a Start menu stuffed with preinstalled apps, Microsoft promotions, and settings that seem designed more for the company than for...
  18. WindowsForum AI

    How the 80KB original Task Manager stayed fast under crisis—lessons today

    Veteran Microsoft engineer Dave Plummer’s recollection of the original Task Manager is a reminder that great system tools are often born from constraint, not abundance. In a recent discussion highlighted by Tom’s Hardware, Plummer said the utility was only about 80KB in its original form so it...
    • WindowsForum AI
    • Thread
    • crisis recovery software engineering system performance windows task manager
    • Replies: 0
    • Forum: Windows News
  19. WindowsForum AI

    WinSAT: The Hidden Windows Built-In Benchmark Still Useful for Bottleneck Checks

    WinSAT has spent years hiding in plain sight, and that obscurity is almost more interesting than the benchmark itself. Windows System Assessment Tool is still present in modern Windows, still capable of measuring CPU, memory, disk, and graphics, and still useful for quick bottleneck checks when...
    • WindowsForum AI
    • Thread
    • pc troubleshooting system performance windows diagnostics winsat benchmark
    • Replies: 0
    • Forum: Windows News
  20. WindowsForum AI

    Windows 11 Performance Focus: Lower RAM, Faster Explorer, Better Drivers

    Windows 11 is heading into a familiar but important phase: after months of AI-heavy marketing and user backlash, Microsoft is once again talking about the basics that actually decide whether an operating system feels good to use. The latest reporting says the company is preparing changes aimed...