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

Microsoft has started force installing Windows 11 23H2 on eligible devices that have reached or are close to their end-of-servicing date. The Windows 11 23H2 forced rollout phase announced by Redmond ...

If you want to de-enshittify Windows 11 but find starting over from scratch to be daunting, then this is for you.

Don't Throw Away Your Laptop: How to Install Windows 11 On Unsupported Hardware ...

Still on Windows 11 22H2 or even 21H2? Microsoft has informed that your PC will be force-updated next month onwards. Microsoft has issued a new 30-day reminder about the upcoming end of servicing (EoS ...