OS: Windows XP SP2
Processor: Dual Core 2.0 GHz
Memory: 2 GB RAM
Graphics: Shader model 2.0 capable card with 512 VRAM
DirectX: Version 9.0
Storage: 4 GB available space
RECOMMENDED:
OS: Windows Vista or Windows 7
Processor: Quad Core 2.66 GHz
Memory: 4 GB RAM
Graphics: Shader model 4.0 capable card with 1GB VRAM
DirectX: Version 11
Storage: 4 GB available space