You will need to buy a new cd of mw3 for that. One copy of the game for each account.
It's impossible, console is for games on Steam
why wont steam let me download modern warfare 2 i install it and it says this code belongs to another user
steam > setting > nickname
This is intended, Modern Warfare 2 is installed and run by using Steam.
only if u own at modern warfare 2
Steam
You can buy each 5 of them for 14.99$ on steam
Buy it, Download steam +updates and tada, go to town.
Yes they will track it down and will deactivate your account so if you paid for any of the games and you get VAC banned VAC is a anti cheat and a security system then you cant play any of your games online you can play single player but not online. And yes you will need new steam account and repurchase new games again.
It depends on what version of Call of Duty: Modern Warfare you're referring to, but on paper anyways, it should work on newer MacBook Airs.
no
You can't.