Minimum System Requirements
2 GHz processor
1 GB RAM (Windows Vista and 7 users will want 2 GB of RAM or more)
2 GB available hard disk space
Shader version 2.0 capable video card
Support for DirectX v9.0c or better
Windows XP, Windows Vista, or Windows 7 (Mac OS and Linux are currently not supported)
Recommended System Requirements
3 GHz processor
2 GB of RAM (Windows Vista and 7 users will want 4 GB of RAM or more)
6 GB available hard disk space
GeForce 8800 or equivalent video card (Dedicated GPU with 512MB+ Video Memory(VRAM))
Support for DirectX v9.0c or better.
Windows XP with the latest service pack installed, Windows Vista with the latest service pack installed, or Windows 7 (Mac OS and Linux are currently not supported)
The latest update to .NET Framework from Microsoft