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Windows 11

Windows 11 is a version of the Windows Operating System that was first released in October 2021.

Version History

There are several different versions of Windows 11 that were released, all with different lifecycles.

Starting with Windows 10, version builds of Windows 11 are labelled as YYHX. The YY represents the year of the release, and X represents the half of the year when it was released. For most Windows releases, releases occur in the second half of the year.

General Availability Channel (GAC)

The General Availability Channel (GAC) consists of the Home, Pro, Enterprise and IoT versions of Windows 11. These versions are generally supported for up to 3 years after the release date.

Version Codename Marketing Name Build Release Date Supported (Home, Pro) Supported (Enterprise, IoT)
21H2 Sun Valley N/A 22000 October 4, 2021 October 10, 2023 October 8, 2024
22H2 Sun Valley 2 2022 Update 22621 September 20, 2022 October 8, 2024 October 14, 2025
23H2 Sun Valley 3 2023 Update 22631 October 31, 2023 November 11, 2025 November 10, 2025
24H2 Hudson Valley 2024 Update 26100 October 1, 2024 October 13, 2026 October 12, 2027

Long-Term Servicing Channel (LTSC)

The Long-Term Servicing Channel (LTSC) consists of the Enterprise and IoT Enterprise versions of Windows 11. The LTSC versions are meant for Enterprise customers and is not available for retail purchase. These versions are generally supported for between 5 and 9 years after the release date:

Version Codename Marketing Name Build Release Date Supported (Enterprise) Supported (IoT Enterprise)
24H2 Hudson Valley 2024 Update 26100 October 1, 2024 October 9, 2029 October 10, 2034