By playing it.
It depends on what modern warfare you are talking about. in cod4 it is when you reach level 55. in mw3 it is level 75.
mw3 is part of mw3, it's call of duty mw3
mw3
mw3
mw3
There are 10 Prestiges in MW3.
There are no zombies in mw3.
mw3 is just the game in hardened edition you get the mw3 background and theme, free 1 year membership of ELite and a card statin that you are a mw3 founder
there are new codes for your mw3 got it
MW3
u cant get banned from mw3, but u can be banned from psn or xbl VIA mw3.
No, the Cadette badges are different than Junior badges.