Windows
Minimum: 1.2 GHz Processor, 256MB RAM, DirectX 7 level graphics card, Windows XP, Mouse, Keyboard, Internet Connection
Recommended: 2.4 GHz Processor, 512MB RAM, DirectX 9 level graphics card, Windows XP, Mouse, Keyboard, Internet Connection
MacOS
Minimum:OS:OS X version Leopard 10.5.8, Snow Leopard 10.6.3
Memory: 1GB RAM
Graphics: NVIDIA GeForce 8 or higher, ATI X1600 or higher, or Intel HD 3000 or higher
Network: Internet Connection
Other: Mouse, Keyboard