System requirements for accompanying computer optical disc: Pentium 75 processor; Operating systems: All versions of Windows 98, 2000, Me, NT.4, or Windows XP; 95MB free hard-disk space; 16MB RAM (64 recommended for Windows 2000); Internet browsers: Netscape Navigator 4.0 or higher, MS Internet, Explorer 4.01sp2 or higher, MS Internet Explorer 5.x or higher; Specialised Plug-ins: Macromedia Flash Player Version 4 or higher; 4x CD-ROM drive; 16-bit sound card; VGA display with a minimum of 256 colours; screen resolution: 800 x 600 minimum