System Requirements OS: Windows Vista®/XP, Windows 7 Processor: Intel Core 2 Duo 2.4 Ghz or better, AMD Athlon X2 2.2 Ghz or better Memory: 2 GB RAM Graphics: NVIDIA® GeForce® 8800GTS or better, ATI Radeon™ HD 3850 or better DirectX®: DirectX® 9.0c or greater Hard Drive: 8.5 GB free hard drive space Sound: Standard audio device Internet connection required for game activation. To play online, activate an online account using a product key. Limit one account per key. One product key included. Game not playable until release date. Games for Windows–LIVE System Requirements: Multiplayer play and other LIVE features included at no charge; games may offer additional downloads that may require additional fees. LIVE is not available in all countries.