Windows 11 Enterprise 21H2 10.0.22000.194 (x64) Multilanguage Preactivated October 2021 | x64 | Languages:English,German,Greek,French,Spanish,Italian,Portuguese-Portuguese,Turkish | File Size: 4.45 GB Windows 11 is a series of personal computer operating systems produced by Microsoft as part of its Windows NT family of operating systems. It is the successor to Windows 11, and was released to manufacturing on July 15, 2021, and to retail on 8 october, 2021. Windows 11 receives new releases on an ongoing basis, which are available at no additional cost to users. Devices in enterprise environments can receive these updates at a slower pace, or use long-term support milestones that only receive critical updates, such as security patches, over their ten-year lifespan of extended support.