Windows: Pentium 90 MHz processor or higher, 32 MB RAM (128 MB RAM for Windows XP), 100 MB free hard-disk space, 4x CD-ROM drive or faster, SVGA 256-color graphics display, DirectX 8.0, Windows-compatible 16-bit sound card, Windows-compatible mouseMacintosh: Mac OS 7.5.3 - OSX 10.3.9, Power PC 80 MHz processor or faster, 32 MB RAM (128 MB RAM for Mac OS X), 100 MB free hard-disk space, 4x CD-ROM drive or faster, 640 x 480 256-color graphics display