This cumulative update for Windows 11, version 25H2 and 24H2 (KB5077181), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

Alpha Skip-Ahead Ring (2604.260310-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Alpha Skip-Ahead ring today. Continue reading below to learn all about what's included with this update.

Learn how to use and install mobile apps on your Windows 11 PC with the Windows Subsystem for Android™.

Alpha Ring (2506.250612-1215) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Alpha ring today. Continue reading below to learn all about what's included with this update.

Beta Ring (2411.241206-1820) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Beta ring today. Continue reading below to learn all about what's included with this update.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Omega Ring (2602.260310-1610) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Omega ring today. Continue reading below to learn all about what's included with this update.

Alpha Ring (2410.240912-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Alpha ring today. Continue reading below to learn all about what's included with this update.

Omega Ring (2405.240501-1900) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Omega ring today. Continue reading below to learn all about what's included with this update.

Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance. For details and ...