are here mw3 unbanners/anti cheat progams ?

ok this is where i search for: an unbanner for mw3 on STEAM not annything else.

why i want this?: my friend borrowed my accaunt so i could play on his xbox and he in my acc

how did i get banned?:my friend used hacks when i said dont ue them and i got banned.

why i want get unbanned?: i got a girlfriend that plays mw3 but i cant teach her how mw3 works when iam not

in the mw3 3 game.

please if somebody could link me that an unbanner progam or teach me how to teach me tu unban myself
(if i need to unban myself)

so please help me so i can play mw3 WITHOUT hacks with my girlfriend.

Nope, you'll need to re-buy the game.