Go to Microsoft’s official Windows Insider Preview ISO download page. Download the latest or Dev Channel ISO. Even though it says "Windows 11," you’ll likely see new UI designs.
, do not click them. Here is the current reality of the Windows roadmap: No Official Release: windows 12.1 iso file
If your goal was to create a customized installation file (a common reason people search for specific ISOs), you can use official tools for current Windows versions: Custom Windows ISOs Made Easy ft. NTLite Go to Microsoft’s official Windows Insider Preview ISO
Once installed, malware from fake ISOs can give attackers complete control of your system, allowing them to access files, monitor activity, and use your computer for illegal purposes. , do not click them
Once you have your bootable USB, follow these steps to install:
As users seek cleaner installations, enterprise deployments, or virtual machine setups, the demand for a is high. This guide provides comprehensive information on what to expect from Windows 12.1, how to obtain official ISO files, and how to perform a clean installation. What is Windows 12.1?
In 2025, a fake "Windows 12.1 ISO" distributed via torrents contained the Lumma Stealer malware, which emptied crypto wallets and stole session cookies.