As of early 2026, Windows 12 has not been officially released by Microsoft. While there are numerous rumors and "fan-made" concepts circulating online, there is no official Windows 12 ISO file available for download from Microsoft servers.
In fact, internal Microsoft codenames (like "Next Valley" and "Hudson Valley") have been misinterpreted by leakers as Windows 12, further blurring reality. The company's actual roadmap may or may not include a numbered Windows 12, but the ISO's existence as a cultural artifact is now largely independent of Microsoft's plans. Windows 12.iso
If you'd like to prepare your PC for the next major update, I can help you: Check if your CPU has an NPU for AI features. Join the Windows Insider Program safely. As of early 2026, Windows 12 has not
account.microsoft.com and sign in.