Minimum Requirements OS: Windows® XP SP2 or later Processor: 2GHz Dual Core CPU Memory: 1500 MB RAM Graphics: NVIDIA® Geforce® 8 Series/ ATI Radeon™ HD 4000 series VRAM 256MB or later DirectX: Version 9.0c Hard Drive: 30 GB available space Sound Card: Sound card compatible with DirectX® 9.0c Recommended Requirements OS: Windows® Vista/ 7/ 8 Processor: Intel® Core™ 2 Quad (2.66 GHz)/ AMD Phenom™ II X4 (2.8 GHz) processor Memory: 2 GB RAM Graphics: NVIDIA® Geforce® GTX™ 460/ ATI Radeon™ HD 5870 DirectX: Version 11 Hard Drive: 30 GB available space Sound Card: DirectX 11 compatible sound card