Windows 11 Version 21h2 Build 22000.978 | 22h2 ... -

All editions of Version 21H2 reached the end of servicing by October 8, 2024, meaning they no longer receive security or quality updates. Transition to Windows 11 Version 22H2 (Build 22621)

Known as the "Windows 11 2022 Update," Version 22H2 introduced the first significant set of new features and interface refinements since the OS's launch. Windows 11 Version 21H2 Build 22000.978 | 22H2 ...

Included various security improvements and quality fixes for the Servicing Stack , ensuring a reliable update process. All editions of Version 21H2 reached the end

Released as part of "Patch Tuesday," Build 22000.978 (KB5017328) focused on stabilizing the operating system and addressing security vulnerabilities. Released as part of "Patch Tuesday," Build 22000

Windows 11 Build was a major cumulative update for the original version of Windows 11 (21H2), released on September 13, 2022. It served as the final primary maintenance update before Microsoft launched the first major annual feature update, Version 22H2 , on September 20, 2022. Windows 11 Version 21H2 (Build 22000.978)

Addressed a critical issue where the web dialog for signing in or out of Microsoft accounts (MSA) failed to appear on some devices.