Minimum: Windows 2000/XP/Vista, AMD, Intel or G3 1000+ Mhz processor; OpenGL Compatible 3D Graphics adaptor (ATI, NVIDIA, Intel, etc.) with 32 mb of video memory; 256MB of memory Recommended: AMD, Intel, or G4 1500+ Mhz processor; OpenGL Compatible 3D Graphics adaptor (ATI, NVIDIA, Intel, etc.) with 64 mb of video memory, 256MB of memory