I hate myself for cheating

Talk to a therapist or someone to talk this out.
Then try to figure out why you did it…I know with Covid it has been tough. Everyone else did it is not an excuse…also many professors check Chegg and find out who is cheating.

take a look at this thread for hints on doing well: College is a step up from HS: 16 Tips on doing well in College

Your college will have many avenues of academic support that you can take advantage of.