Operating System: Windows XP SP2, Windows Vista CPU Processor: Intel Pentium D (Dual Core) 2.8GHZ or AMD Athlon 64 3500+ Memory: XP - 1 GB RAM, Vista – 2GB RAM Hard Disk Space: 5.1 GB + 1GB Swap File Sound Card: DirectX 9.0c compatible sound card Video Card: 3D Hardware Accelerator Card Required – 100% DirectX 9.0c compatible 128 MB Video Memory Video Card (ATI): Radeon X800 Video Card (Nvidia): Geforce 7600 Media Required: 4X DVD-ROM drive