The Windows 10 "21H1" update, also known as the , reached a significant milestone on December 13, 2022 . On this date, Microsoft released the final scheduled security update for this version, officially ending its service period.
Version 21H1 was a "scoped" release focused on performance and security rather than major visual overhauls. Its notable additions included: Windows 10 Home and Pro - Microsoft Lifecycle windows-10-21h1-full-december-2022-kuyhaa
The December 13, 2022 update (OS Build , KB5021233) was the final cumulative update for Windows 10, version 21H1. This update primarily addressed security vulnerabilities, including: The Windows 10 "21H1" update, also known as
: This marked the End of Servicing for Home, Pro, Education, and Enterprise editions. Key Features of 21H1 Its notable additions included: Windows 10 Home and
: Critical fixes for various Windows components and the .NET Framework .