Minimum Operating System: Microsoft® Windows® XP SP2/Vista® SP1 *1 *2 Processor: Intel® Core™2 Duo (2GHz) / AMD Athlon™ X2 (2GHz) Memory: 1.5GB RAM Hard Disk Space: 15GB Available HDD Space Video Card: NVIDIA® GeForce® 8600 VRAM 256MB or better *3 Sound Card: 100% DirectSound® compatible sound card (DirectX®9.0c or higher) DirectX® Version: DirectX® 9.0c