Windows
OS: Windows XP SP2, Windows Vista or Windows 7
CPU: Core 2 Duo 2.4 GHz or Althon 64 X2 2.7 GHz
RAM: 2 GB (XP), 3 GB (Vista, Win7)
Video Card: ATI or Nvidia graphics card with 512MB video ram or better and Shader Model 3.0+ support. (ATI Radeon 3870 or higher, Nvidia GeForce 8800 GT or higher).
Sound Card: Yes
Free Disk Space: 10 GB