OS: Windows 7 or (Windows® XP (with Service Pack 3) and DirectX® 9.0c) or (Windows Vista® with Service Pack 2)Processor: Intel Core® 2 Duo 2.6 GHz / AMD Athlon 64 X2 3800+Memory: 3 GB RAMGraphics: 512 MB 3D hardware accelerator card required – 100% DirectX® 9.0c with Shader Model 3 support. NVidia GeForce 8800 GT / AMD Radeon HD4770DirectX: Version 9.0Hard Drive: 9 GB available spaceSound Card: DirectX 9.0 – compliant sound cardAdditional Notes: Internet connection required for activation