Window 95, Windows 98,  and Windows ME ( Windows NT and Windows 200 are supported)  400 Mhz Intel Pentium II or AMD K6-2 processor  64MB RAM, 8x CD-ROM/DVD-ROM drive, 90 MB free hard disk space plus space for saved games (additional space required for Windows swap-file and DirectX  installation) Supported 16 MB Direct 3D  or glide capable video card with DirectX 8 Compatible driver.  DirectX 8 compatible sound card; Keyboard; Mouse. Recommended: 500 Mhz or faster Intel Pentium III or AMD Athlon processor; 128 MB ram: Supported 32 MB Direct3D or Glide capable video card with DirectX 8 compatible driver; 610 MB free hard disk space plus space for saved games; Environmental Audio capable sound card.