***Simple thorough solution:***
This will solve all your problems with resetting and installing a fresh Windows on your computer.
Do you have a USB flash drive of 32GB? Yes? Good. No? Buy one.
[link|https://rufus.ie/en/|Download freeware Rufus v4.1|new_window=true] and install on your Windows computer.
Insert your flash drive and run Rufus. On the ***Drive Properties*** screen in Rufus in the ***Boot selection*** box select ***UEFI:NTFS*** which will make your ***Partion scheme*** GPT. Now click on the downward pointing triangle besides "***Select***", select "***Download***" (actually click on "***Download***"), select which version of ***Windows*** - 11, 10 or 8.1 ''according to the version on your computer'' - click on ***Continue***, next box will show ***Version*** of Windows and ***Release***, click on ***Continue*** again, in the ***Edition*** box select your version (probably Home), yet again click ***Continue,*** next screen select ***English International*** or ***English (US),*** ***Architecture*** x64, ***Download*** and Rufus will start to copy it to your hard drive. Once downloaded you will have an ISO image of Windows. Click ***Start*** at the bottom of the Rufus ***Drive Properties*** screen, then next box "***Customize Windows installation?***" - ''unless you have specific reasons just check all boxes'' - and Rufus will finally burn a bootable installer for Windows on your flash drive.