Minimum System Requirements OS: Windows Vista (SP2) 32-bit Processor: 2 GHz Dual Core (Core 2 Duo 2.4 GHz or Athlon X2 2.7 GHz) Memory: 2 GB Hard Drive: 20 GB Graphics Card (NVIDIA): DirectX 10.0 graphics card with 512 MB RAM (NVIDIA GeForce 8, 9, 200, 300, 400 or 500 series with NVIDIA GeForce 8800 GT or higher performance) Graphics Card (ATI): DirectX 10.0 graphics card with 512 MB RAM (AMD ATI Radeon 3000, 4000, 5000 or 6000 series with AMD ATI Radeon 3870 or higher performance) Sound Card: DirectX Compatible Keyboard and Mouse DVD ROM DriveRecommended System Requirements OS: Windows 7 64-bit Processor: Quad-core CPU Memory: 4 GB Hard Drive: 20 GB Graphics Card: DirectX 11 graphics card with 1024 MB RAM (NVIDIA GeForce GTX 560 or AMD ATI Radeon 6950) Sound Card: DirectX Compatible Keyboard and Mouse DVD ROM Drive