It's free and open-source.

This process is called a clean install, which is ironic as there's nothing particularly clean about it: Microsoft has enshittified Windows Setup.

Vanilla Windows 11 is quite a storage-hungry operating system, but with this script, you can shrink it down to "just" 2.8GB. Since Microsoft is not willing to budge on Windows 11 hardware requirements ...

In a nutshell: Microsoft continues to impose strict and, to many, unfair requirements for Windows installation, prompting users to push back by finding creative ways ...