The best-selling first person action series of all-time returns with the epic sequel to multiple “Game of the Year” award winner, Call of Duty®: Modern Warfare® 2. In the world’s darkest hour, are you willing to do what is necessary?
Prepare yourself for a cinematic thrill-ride only Call of Duty can deliver. The definitive Multiplayer experience returns bigger and better than ever, loaded with new maps, modes and features. Co-Op play has evolved with all-new Spec-Ops missions and leaderboards, as well as Survival Mode, an action-packed combat progression unlike any other.
1. Launch Steam and log into your account or create a new one (download Steam).
2. Choose "Games" from the menu and "Activate a Product on Steam".
3. Follow the onscreen instructions to complete the activation process.
4. You can find your new game in the "Library" tab.