System requirements for accompanying CD-ROM: Windows: Windows 95, 98, ME, NT, 2000, XP. Processor: Pentium II, 64 MB RAM (128 MB recommended) Mac: MacOS 8.6. Processor: PowerMac (G3 or higher recommended), 64 MB RAM (128 MB recommended). Components of this CD require Acrobat Reader 4.0 (provided on CD) or later