Minimum OS: Windows XP, Windows Vista, Windows 7 Processor: Intel Core2Duo 2.2 GHz or AMD Dual-Core Athlon 2.5 GHz or faster Memory: 2 GB Hard Disk Space: 4 GB HD space Video Card: NVIDIA GeForce 8800GT with Shader Model 3 and 512 MB VRAM or faster DirectX®: 9.0c Sound: DirectX Audio compatible