IBM and 100% compatibles (Windows NT is not supported), 266 MHz Intel Pentium II or AMD K6-2 32 MB RAM, 4X CD-ROM drive (600/second transfer rate) using 32-bit Windows 95/98  CD-ROM driver, 8MB 3D video card that supports Direct3D, 600 MB free hard disk space plus space for saved games( additional space required for DirectX 7.0a installation), sound card DirectX and SoundBlaster compatible, DirectX 7.0a or later.(  you must have at least 8Mb of memory on your 3D card.  Most recent cards qualify for this, although for details you will have to refer to your system documentation or 3D-hardware documentation.