OS: Windows® XP SP3 / Windows® Vista / Windows® 7 Processor: Intel® Pentium® 4 (2Ghz) or AMD® Athlon 64 (1.6GHz) processor or better Memory: 1GB RAM Hard Disk Space: 2GB free Video Card: NVIDIA 6600 or ATI X700, 256MB GPU memory or better DirectX®: DirectX® 9 or later Sound: DirectX compatible sound card