This tells you how to go revert to a previous version if you`ve upgraded and don`t like W10 -
https://www.howtogeek.com/220723/how...dows-7-or-8.1/
Only works if you still have the windows.old folder, this gets deleted after 30 days but if you copy or rename it while i`s still there then you could revert back after any amount of time