Recommended System Requirements

3 GHz processor
2 GB of RAM (Windows Vista and 7 users should use 4 GB of RAM or more.)
12 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 (As stated above: Mac OS and Linux are currently not supported.)
The latest update to .NET Framework from Microsoft