Minimum: Pentium® III 450. Windows® 98,ME,XP,2000. NVIDIA® TNT2 3D card. 128MB of RAM. 750MB of free hard disc space. DirectX® 8.1. Mouse, keyboard. Recommended: Pentium® IV 1.5GHz. ATI® Radeon™7500/NVIDIA®GeForce2 3D card. 256MB of RAM.