Windows XP SP2/Vista MINIMUM Intel Pentium 4 1.5GHz Processor 512MB RAM (1GB for Vista) 800MB Hard Disk Space 128MB DirectX compatible Video Card 8X DVD-ROM Drive DirectX 9.0c Keyboard Mouse RECOMMENDED Intel Pentium 4 2GHz Processor 1GB RAM 3GB Hard Disk Space 256MB DirectX compatible Video Card with Shader Model 3 8X DVD-ROM Drive DirectX 9.0c Keyboard Mouse