
Windows 11 became available as a free upgrade to eligible customers on October 5, 2021, more than six years after its predecessor's release date and the longest time span between successive releases of Microsoft Windows.

Windows 11 (codenamed Sun Valley) is a personal computer operating system developed by Microsoft and is the latest major release of the Windows NT family, succeeding Windows 10. 21H2 release supported until October 10, 2023.Įnterprise and educational support through October 8, 2024.
