Minimum System Requirements
OS: Windows Vista (Service Pack 2) or Windows 7; (Windows XP not supported)
Processor: Intel Core2 Duo E8200 2.66 GHz or AMD Phenom X3 8750 2.4 GHz processor or better
Memory: 2GB for 32-bit OS or 4GB for 64-bit OS
Graphics: Nvidia GeForce 8800GT 512 MB or ATI Radeon HD 3870 512 MB or better
DirectX®: DirectX® 9.0c or later
Hard Drive: 16 GB free hard drive space
Sound: DirectX® 9.0c or later
Internet: Broadband connection and service required for Multiplayer Connectivity. Internet connection required for activation.
Steam must be installed and running on the player's system for the game to work. It can be set to run in offline mode if players do not want to use multiplayer, but it is required to install the game.