Minimum: Windows XP/2000*, Intel Pentium III Processor, 1.0 Ghz and above, 256 MB RAM, DirectX 9.0n and above video card, 128MB VRAM, Shader 2.0, DirectX 9.0 Soundcard, Mouse/keyboard, 2.0 GB free disk space Recommended: Intel Premium 4 Processor 2.0 Ghz or better, 512 MB RAM, VRAM 256 MB and above, game pad with 4 wheel-12 button analogue stick, 4.7 GB Free disk space Operation not assured if VRAM is shared with Main Memory. Video card of NVIDIA GeForce 7500 and above is recommended. Please end other applications when playing with this product. Defects may occur if other applications are running. * Not designed to run on Windows Vista