There are a lot of practical reasons to set up an OS like Windows 10 in a VM rather than using it as a native installation. If you have to deal with files you can't trust, need to test multiple OS ...
Sometimes, the best way to fix deep-seated Windows issues is to burn everything to the ground and start from scratch. Reinstalling Windows refreshes the operating system, which gets rid of most ...
At this point, your computer will exit Windows and enter the OS installer, which could take some time. It'll restart a few times during this process, which is normal. If all goes well -- and it should ...