Multi-User Pack consists of 5 CD-ROMS, 5 User Guides and 1 Facilitator Guide. System Requirements for CD-ROM: Windows 95, 98, 2000 or NT. Intel Pentium or Pentium II processor (or equivalent), 75 MHz minimum (166 MHz for Windows 2000), 16 MB RAM or higher (32 MB for Windows 2000 and NT), 4x (minimum) CD-ROM drive, floppy disk drive, minimum 256-color, 640 X 480 resolution, SoundBlaster-compatible, 16-bit sound card, access to printer and Adobe Acrobat Reader 4.0 or higher (can be installed from CD-ROM).