Minimum requirements:
-Windows XP/Vista. (if running Windows Vista SP1 or above is recommended)
-DirectX 9.0c
-2 Ghz Pentium or AMD%u2122 equivalent
-1 GB RAM
-Graphics Card: GeForce 6800 / Radeon X1600 or above Shader 3.0 256MB RAM card
-DirectX Compatible Sound Card
-Dual layer DVD-ROM Drive
-2.5 GB Hard Drive Space

Recommended system requirements:
-Windows XP/Vista. (if running Windows Vista SP1 or above is recommended)
-DirectX 9.0c
-3 GHz Pentium 4 or AMD%u2122 equivalent and above
-1.5GB RAM
-Graphics card: GeForce 8800GS & above, or Radeon X1900 series & above
-Sound Card: Creative Sound Blaster X-Fi Sound Card.
-Dual Layer Compatible DVD-ROM Drive
-3 GB Hard Drive Space