The stakes have never been higher as players take on the role of lethal Tier One operators in a heart-racing saga that will affect the global balance of power. Developed by the studio that started it all, Infinity Ward delivers an epic reimagining of the iconic Modern Warfare series from the ground up. Features Campaign - In the visceral and dramatic single-player story campaign, Call of Duty: Modern Warfare pushes boundaries and breaks rules the way only Modern Warfare can. Multiplayer - Experience the ultimate online playground with classic multiplayer. Co-op - Squad-up and play cooperatively in a collection of elite operations accessible to all skill levels.

Go to https://www.xbox.com Login to your account Hover over your account link (the top right of the screen) a menu will appear, click on the "Redeem Code" button. On the next page, click "Redeem" Enter your code Click "Confirm" Click "Confirm" again to assign the key to your account.