Intel Pentium III or AMD Athlon 700MHz computer or equivalent. Windows 98/ME/2000/XP. 128 MB RAM. 32MB graphics card that supports Transform and Lighting, eg GeForce 1, ATI Radeon 7500 or better. DirectX 9.0 and a compatible driver. 1.5GB free hard disk space. Windows compatible sound card. Windows compatible keyboard and mouse.