How to remove an Account Ban

SHOULD WE PLAY WITH 80 PERCENT? WHY DID I GET BANNED? PLEASE ME OR I WILL FILE A LAWSUIT?

If you had another account closed, looking at the profile will provide the general reason along with a link to the help article explaining that closure type.

If you have questions about it, then you can contact Support directly using the Help option in the menu

My cousin's account getting banned multiple times from chess.com. poor guy is just 10 years and doesnt have much idea about cheating. Could someone please help? His email: [removed -- MS]

You cousin would need to contact Support using the Help option in the menu.

How can I recover my account after being banned for fair play even though I difnt use stockfish or ai at all?

Erm what the sigma

You should have received an email on the address associated with the closed account with your options. One of those is an appeal, but those are rarely granted. Unless the appeal is granted the account won't be opened.