How to keep your classes after you Prestige! Read first and carefully. First: You must be Level 80. Go to CoD Elite and Sign in. Second: Go to your classes and change something. Third: It should tell you to send changes to the game but do NOT click it. Now in MW3 hit Prestige. Fourth: Now, play Multiplayer until you reach Level 4. Fifth: Now that you are in Level 4, in CoD Elite click on send changes to game. Sixth: In MW3 accept the changes of CoD Elite and BOOM your classes are back!!