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

Although Windows 11 has a higher system requirement, you may still be able to perform an in-place upgrade or clean installation on an unsupported computer running ...

Above and beyond the benefits of a fresh do-over, clean installing Windows 11 improves security, exposes new features, and more. With the Windows 10 end of support date arriving on October 14, ...