Windows OS: XP/Vista/Windows 7 Processor: Intel® Pentium® IV 2.4 GHz or AMD 3500+ Memory: 2 GB RAM Hard Disk Space: 2 GB Video Card: NVIDIA® GeForce 8800 or ATI Radeon® X1900, 512mb graphics memory required. DirectX®: 9.0c Sound: Direct X-compatible sound card Additional: 3-button mouse and keyboard