There is no official release of Windows 11 under the version name This number appears to be a combination or a slight mislabeling of two separate milestones in Windows 11's early history:
The original launch version of Windows 11, released in October 2021. Search results for Windows 11 (2105)
For a deep dive into the features that defined the first version (Build 22000), Hands-on with Windows 11 Build 22000.51 provides a visual tour of the redesigned Start menu, Taskbar, and Widgets introduced in mid-2021. There is no official release of Windows 11
Some early leaked builds of Windows 11 had different internal identifiers, but the standard naming convention follows the YYHx format (e.g., 21H2, 22H2). It is important to note that Version 21H2
It is important to note that Version 21H2 reached its end of servicing on October 8, 2024. The Windows 11 Release Health page at Microsoft Learn explains that devices on this version should be updated to a newer version like 23H2 or 24H2 to continue receiving security updates. Common Confusions
The base build number for that original release, with early preview builds like 22000.51 appearing in June 2021 (which corresponds to the 06/21 timeframe).