On March 10, 2026, Microsoft released a new cumulative update for Windows 11: KB5079473, bringing systems to OS Builds 26200.8037 and 26100.8037. The update focuses mainly on security improvements, stability fixes, and performance optimizations for supported Windows 11 versions.

This patch is part of Microsoft’s regular Patch Tuesday rollout, which delivers important fixes to keep PCs secure and running smoothly.


Key Improvements in KB5079473

Security Updates

The update includes important security patches addressing vulnerabilities in Windows components. These updates help protect devices from potential exploits and malware threats.

System Stability Fixes

Microsoft also fixed several issues that previously caused random crashes, system slowdowns, or inconsistent behavior in certain apps and system services.

Performance Improvements

Users may notice better responsiveness and smoother system performance, especially on devices running heavy workloads or multiple apps.


OS Build Versions After the Update

After installing the update, systems will move to the following builds:

  • OS Build 26200.8037

  • OS Build 26100.8037

These builds include cumulative improvements from earlier updates along with the latest fixes.


How to Install the Update

You can install the update by following these steps:

  1. Open Settings

  2. Go to Windows Update

  3. Click Check for updates

  4. Download and install KB5079473

Once installed, your computer will require a restart to finish applying the changes.


Why This Update Matters

Regular updates like KB5079473 ensure that Windows 11 remains secure, stable, and compatible with modern apps and hardware. Even if the changes seem small, they play a crucial role in maintaining the overall reliability of the operating system.

Download link:

You can download and manually install Windows 11 update KB5079473 by clicking here. If you need help in understanding how to install these updates manually on your PC, you can refer to our step by step noob-friendly tutorial.