Windows 11 follows a new naming and versioning scheme compared to Windows 10. The primary identifier is , "Version 23H2" , etc., which corresponds to the year and half of release (H1 = first half, H2 = second half). Internally, Microsoft uses build numbers (e.g., 22621.1) and cumulative update KB numbers for monthly patches.
| Version | Initial Release | End of Support (Home/Pro) | |---------|----------------|----------------------------| | 21H2 | Oct 2021 | Oct 10, 2023 (expired) | | 22H2 | Sep 2022 | Oct 8, 2024 (expired) | | 23H2 | Oct 2023 | Nov 11, 2025 | | 24H2 | Oct 2024 | Oct 13, 2026 | windows 11 update history
Windows 11 follows a new naming and versioning scheme compared to Windows 10. The primary identifier is , "Version 23H2" , etc., which corresponds to the year and half of release (H1 = first half, H2 = second half). Internally, Microsoft uses build numbers (e.g., 22621.1) and cumulative update KB numbers for monthly patches.
| Version | Initial Release | End of Support (Home/Pro) | |---------|----------------|----------------------------| | 21H2 | Oct 2021 | Oct 10, 2023 (expired) | | 22H2 | Sep 2022 | Oct 8, 2024 (expired) | | 23H2 | Oct 2023 | Nov 11, 2025 | | 24H2 | Oct 2024 | Oct 13, 2026 |