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Minimum:
* Windows XP, Vista or 7
* 3.2 GHz Pentium IV, 2.66 GHz Pentium D, Athlon 64 3500+ or Athlon 64 X2 5200+ CPU
* 1 GB RAM
* 256 MB VRAM
* 4 GB HD space

Recommended:
* 2 GB RAM
* 512 MB VRAM