Minimum Requirements :   Our CD-ROMs use Adobe® Acrobat Reader software (included), which  is compatible with MAC OS, Windows 3.1®, Windows 95® and above.  The pages of these books are recorded as graphic images. Some are indexed by page number and name, but most are in alphabetical order. The user can access virtually any page with a simple mouse click and can scroll forward, backwards, etc. System Requirements-IBM : 386 or higher, MS-DOS, Windows 3.1 or higher; a CD-ROM drive, at least 8mb of RAM and at least 4mb of disk space on the hard drive. Any MAC that has Acrobat Reader installed ( free download ) can read any Quintin Publications CD-ROM.