Msn Hack Help?

ok i wan't to know how to hack a msn account because i have this online game i play when i tried to login it wouldn't let me so i sent an e-mail to the people that maid the game and they showed me the e-mail its under and its not mine so i told them this be they refuse to help me in anyway but if i can hack his msn account i can get the password to my flyff account and get it back i have no idea how he got my password but if u can teach me how to hack and msn account i will be eternally grateful.