Microsoft Rolls Out A New Update With Low Latency Profile for Faster Windows 11 Performance

Microsoft has started rolling out update KB5089573 for Windows 11 versions 24H2 and 25H2, which introduces the Low Latency Profile (LLP) feature.

The update is mainly a performance improvement aimed at speeding up app launches and core shell experiences, including the Start menu, Search, and Action Center.

Microsoft reports that LLP can deliver up to 70% faster flyouts and reduce app launch times by 40%. This update is part of Windows K2, Microsoft's ongoing effort to address longstanding performance issues in Windows 11.

How Windows 11’s New Low-Latency Profile Works

LLP briefly increases CPU clock speeds when Windows detects an interaction that might otherwise feel slow. Instead of gradually ramping up the processor speed, Windows applies a short burst of maximum frequency that lasts between one and three seconds, allowing the task to complete before returning to normal operation.

Microsoft describes LLP as a standard part of modern operating system behavior. Similar techniques are already in use in macOS, Linux, and mobile operating systems to keep user-facing interactions responsive.

This feature targets specific scenarios where slower performance is most noticeable, such as opening the Start menu, triggering Search, launching apps, or bringing up flyouts and context menus.

Other KB5089573 Changes and How to Get the Update

The update bundles several additional changes:

• Improved Task Manager visibility for NPU usage
• Windows Hello tweaks
• Search results are displayed after typing as few as two characters
• Reliability improvements for File Explorer
• Reliability improvements for USB devices
• Reliability improvements for sign-in screens

KB5089573 is currently available as an optional update. To install it manually, open Settings, then go to Windows Update and Advanced options. Click on Optional updates and select KB5089573 to install.

These updates are expected to be included in the next Patch Tuesday security release, reaching a wider audience.

Why Low Latency Profile May Not Activate Immediately and How to Force It

Microsoft is rolling out LLP gradually through a controlled process. Installing KB5089573 does not ensure that the feature will be activated. Some users may receive the update without the feature being enabled by Microsoft. There is no dedicated toggle in Settings for LLP. Once Microsoft turns it on by default on a device, it runs in the background without any user action.

Users eager to enable LLP right away can do so using ViveTool, an unofficial method not supported by Microsoft. To get started, install KB5089573 through Optional updates, then download ViveTool and extract it to a folder such as C:\ViveTool.

Open Command Prompt as administrator and run the commands provided.

After restarting the PC, LLP should be active and running in the background. Since ViveTool is a community-driven tool and not endorsed by Microsoft, users should consider the trade-off between immediate access and waiting for the official rollout.

The update is currently available for eligible Windows 11 24H2 and 25H2 devices.

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