Microsoft has released a Windows 11 update designed to make your PC feel noticeably faster and more responsive through a new performance technology called Low Latency Profile. The KB5089573 update, now available as an optional download, represents the first major OS improvement under Microsoft's Windows K2 effort, a company-wide initiative focused on addressing long-standing complaints about Windows 11's performance and reliability.

What's Actually Changing in This Windows 11 Update?

The KB5089573 update tackles performance from multiple angles. Beyond the headline Low Latency Profile feature, Microsoft has included general OS improvements that accelerate app launches and core shell experiences like the Start menu, Search, and Action Center. The update also improves Windows reliability on sign-in and lock screens, in File Explorer, when using touch gestures on touchscreen devices, and when changing themes in Settings.

The Low Latency Profile technology works by maxing out CPU frequency in very short bursts to speed up specific actions. This approach delivers measurable results: system flyouts appear up to 70% faster, and app launches speed up by as much as 40%. These aren't theoretical improvements either; Microsoft tested the changes extensively with Windows Insiders before rolling them out, and testers reported genuine performance gains.

How to Install the Windows 11 KB5089573 Update

• Manual Installation: Open Windows Settings, navigate to Windows Update, select Advanced options, then Optional updates, and select KB5089573 to install immediately.
• Automatic Updates: Enable the "Get the latest updates as soon as they're available" toggle on the main Windows Update page, then click Check for updates to receive optional OS updates automatically.
• Gradual Rollout: Be aware that performance improvements will roll out gradually over coming weeks rather than appearing immediately after installation, so you may not see the full speed boost right away.

Why Should You Care About This Update?

Windows 11 has faced persistent criticism since its launch for feeling sluggish compared to earlier Windows versions. The KB5089573 update signals that Microsoft is taking these complaints seriously. Beyond the Low Latency Profile, the update includes practical new features such as the ability to share Bluetooth with two devices simultaneously, the ability to name your device during the initial setup experience, and improvements to Task Manager.

The timing matters too. Microsoft committed to improving Windows OS quality after years of user frustration, and recent months have shown the company delivering on that promise with meaningful improvements. The KB5089573 update represents a continuation of that effort, with a focus on foundational performance rather than flashy new features.

The update is particularly significant because it demonstrates Microsoft's willingness to invest engineering resources into making Windows 11 feel more responsive to everyday user actions. Rather than waiting for a major version update, the company is using optional updates to roll out performance improvements incrementally, allowing users to opt in and provide feedback before wider deployment.