OS *: Windows XP/Vista/Windows 7
Processor: Intel Pentium 4 running at 1.7 GHz or Greater; Athlon 64 running at 1.7GHz or greater with support for SSE2 instructions
Memory: 1 GB of ram, 1.5 GB (Vista and Windows 7) GB RAM
Graphics: ATI Radeon X1800 GTO 256MB and the Nvidia GeForce 6800 Ultra 256MB cards
DirectX®: 9.0
Hard Drive: 2 GB HD space