Microsoft has rolled out the March 2026 Patch Tuesday update for Windows 11 (KB5079473, Build 26200.8037) and Windows 10, focusing on enhancements and functional upgrades. The update applies to Windows 11 versions 25H2 and 24H2, introducing new features, security enhancements, system fixes, and reliability improvements.
Key features include:
- Support for Emoji 16.0, allowing users to insert new emojis through the Emoji panel.
- Windows Backup restore adapted for organizational use, enabling restoration of user settings and applications during sign-in.
- Quick Machine Recovery (QMR) enabled by default on more Windows 11 Pro PCs.
- A Bing-powered Internet speed test tool accessible from the taskbar.
- Sysmon included as a native component for system activity monitoring.
- Support for WebP images as desktop wallpapers.
- Remote Server Administration Tools (RSAT) supported on Windows 11 Arm64 devices.
- Minor enhancements in Accounts and Camera settings.
The update also includes reliability and stability improvements, such as enhanced responsiveness of the Windows Update settings page, improved sign-in screen reliability, and better performance for the Windows printing service. It lays groundwork for Secure Boot certificate updates and addresses BitLocker reliability issues. Additionally, internal AI components have been updated, and a servicing stack update (SSU) has been released to enhance Windows Update infrastructure reliability. Microsoft is also expanding the updated Start menu and battery icons to more devices and warns users about the importance of updating Secure Boot certificates before their expiration in June 2026.