As of 2021, Microsoft had not released any operating system called "Windows 12." The latest version available at that time (and still as of 2025) is Windows 11 (released in October 2021) and Windows 10. "Windows 12" does not exist as an official Microsoft product, and any website offering a "Windows 12 ISO" in 2021 (or now) is offering either a fake, a scam, a modified third-party build, or malware.
Searching for a "Windows 12 ISO" often leads to risky results. Here is why those 2021 downloads were illegitimate: windows 12 iso download 64bit 2021
: Wallpapers that use AI to create a depth-of-field effect based on mouse movement. As of 2021, Microsoft had not released any
A creator takes the official Windows 11 64-bit ISO, uses tools like WinToolkit or NTLite to change the branding (system properties show “Windows 12”), applies a third-party theme, and repackages it. These are generally safe if the base ISO is clean, but you gain zero new features. Here is why those 2021 downloads were illegitimate: