taken from gamestop website
Required
Operating System: Windows 98/2000/ME/XP
Processor: Pentium III 1 GHz or Higher
Video Card: DirectX 9 compatible video card. Pixel shader and vertex shader compatible hardware with 64MB of texture memory *
RAM: 512 MB RAM
CD-ROM: 16X speed CD-ROM or DVD-ROM
Recommended
Operating System: Windows 98/2000/ME/XP
Processor: 2 ghz or greater
RAM: 1 GB RAM
Video Card: DirectX 9 compatible. Pixel shader and vertex shader compatible hardware with 128MB of texture memory or greater
CD-ROM: 16X speed CD-ROM or DVD-ROM