October 14, 2025
Windows 11 builds are primarily identified by their version (e.g., 22H2) and a specific OS build number. Each annual update typically receives 24 months of support for Home and Pro editions. Version Name Version Number Release Date Base Build Number Oct 5, 2021 Sun Valley 2022 Update Sep 20, 2022 Sun Valley 2 2023 Update Oct 31, 2023 Sun Valley 3 2024 Update Oct 1, 2024 Hudson Valley 2025 Update Sep 30, 2025 Hudson Valley 2 Detailed Evolution of Key Builds Windows 11, Version 21H2 (Build 22000) windows 11 build history
| Build | Release Date | Key Notes | |-------|--------------|------------| | 22631.2361 | Oct 31, 2023 | (enablement package from 22H2) | | 22631.2715 | Dec 12, 2023 | Copilot taskbar integration, new Outlook for Windows | | 22631.3155 | Feb 13, 2024 | AI-powered voice access, Windows Ink improvements | October 14, 2025 Windows 11 builds are primarily
| Version | Release | End of Servicing (Home/Pro) | Enterprise/Education | |---------|---------|-----------------------------|----------------------| | 21H2 | Oct 2021 | Oct 10, 2023 | Oct 8, 2024 | | 22H2 | Sep 2022 | Oct 14, 2025 | Oct 14, 2025 | | 23H2 | Oct 2023 | Nov 11, 2025 | Nov 11, 2025 | | 24H2 | Oct 2024 | Oct 13, 2026 | Oct 13, 2026 | 2023 | Copilot taskbar integration
| Build | Release Date | Key Notes | |-------|--------------|------------| | 22621.1 | May 11, 2022 | First preview (Beta channel) | | 22621.382 | Sep 20, 2022 | | | 22621.963 | Dec 13, 2022 | Task Manager efficiency mode, Suggested Actions | | 22621.1194 | Feb 14, 2023 | Tabbed File Explorer (enabled) | | 22621.2428 | Oct 31, 2023 | Moment 4 update (Copilot preview, new Volume Mixer, RGB controls) |
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