PC System Requirements

Minimum
Windows XP, Vista, Windows 7, Windows 8
Processor:Dual Core CPU 2.0 GHz
Memory:1 GB RAM
Graphics:Nvidia 8800 GT, Intel HD4000 or AMD HD3850
DirectX®:9.0c
Hard Drive:20 GB HD space
Sound:DirectX 9.0c compatible sound card
Recommended:
Windows XP, Vista, Windows 7, Windows 8
Processor:Quad Core CPU 2.0 GHz
Memory:2 GB RAM
Graphics:Nvidia 275 GTX or AMD HD5770
DirectX®:9.0c
Hard Drive:20 GB HD space
Sound:DirectX 9.0c compatible sound card 
Mac System Requirements
Minimum:
OSX 10.6 (Snow Leopard) or later
Processor:Dual Core CPU 2.0 GHz
Memory:1 GB RAM
Graphics:Nvidia 330M, Intel HD4000 or AMD HD4670
Hard Drive:20 GB HD space
Recommended:
OSX 10.6 (Snow Leopard) or later
Processor:Quad Core CPU 2.0 GHz
Memory:2 GB RAM
Graphics:Nvidia 285M or Nvidia 640M or AMD HD4870
Hard Drive:20 GB HD space