It can be a bit complicated, especially for a one-time user like yourself. But it sounds like you did a great job backing up your necessary drivers and folders manually.
Regarding the slow shutdown, have you tried updating your drivers or checking for any programs running in the background that could be causing the issue? Or check up alternatives at reddit windows keys legit. It could be worth checking out.

Last edited by ZachFrank; 02/14/23 12:07 PM.