Minimum
500 MHz processor
256 MB RAM
Windows 98
OpenGL or DirectX compatible accelerated 3D video card
Recommended
1.0 GHz processor
512 MB RAM
Windows XP
nVidia or ATI accelerated 3D video card
Minimum
G4
128 MB RAM
MAC OSX 10.3
nVidia or ATI accelerated 3D video card
Recommended
G4, G5 or Intel Mac
256 MB RAM
MAC OSX 10.4+
nVidia or ATI accelerated 3D video card