PC with a Pentium-class processor; Pentium 90 MHz or higher processor recommended. Microsoft Windows 95 or later operating system or Microsoft Windows NT Workstation operating system version 4.0 with Service Pack 3 or later (Service Pack 3 included). Microsoft Visual Basic 6.0 Professional Edition or Enterprise Edition. 16 MB of RAM for Windows 95 or later. 24 MB for Windows NT Workstation 4.0. Hard-disk space required: Minimum installation: 60 MB. Complete installation: 145 MB. 300 MB required if installing online documentation. CD-ROM drive compatible with multimedia PC specification. VGA or higher-resolution monitor required; Super VGA recommended. Microsoft Mouse or compatible pointing device. Windows NT required for emulation.