. Microsoft has officially debunked rumors of a 2026 release for a next-generation OS, focusing instead on refining Windows 11 The latest official version of Windows is Windows 11 version 26H1 , which was released on February 10, 2026. Microsoft Support Current Official ISO Resources

You will need a product key or digital license to activate the OS. Backup Your Data: While mounting an ISO keeps your files, it is

There is currently no official release of . Microsoft's current flagship operating system is Windows 11 .

If you are downloading a “Windows 121 ISO” from a non-Microsoft source, proceed with extreme caution. Many fake ISOs contain ransomware, spyware, or botnet installers. Always verify the SHA-1 checksum against a trusted source.

While rumors of a "Windows 12" have circulated for years, Microsoft has prioritized refining the existing Windows 11 experience rather than launching a brand-new operating system.