Minimum System Requirements (from the back of the box):

Windows System 2000/XP OS:
Intel Pentium III 800 MHz or AMD Athlon 800 MHz
512 MB or more of RAM
32 MB 3D graphics card with Hardware Transform and Lighting, such as NVIDIA GeForce 2 class card or above
DirectX 9.0c (included) and latest video drivers
6.0 GB available HD space
Recommended system requirements:
Windows System 2000/XP OS:
Intel Pentium IV 1.5 GHz or AMD XP 1500+ MHz
1024 MB RAM
64 MB 3D graphics card with Hardware Transform and Lighting, such as NVIDIA GeForce FX 5700 class card or above