Some early leaked builds of Windows 11 had different internal identifiers, but the standard naming convention follows the YYHx format (e.g., 21H2, 22H2).
Are you trying to that shows "2105," or
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:
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