Minimum System Requirements: System - Mac OS X 10.1.5 or later, including 10.5 "Leopard" Processor - G3 233 MHz and faster, including Intel-based Macs (runs nicely in Rosetta) Memory - 128 MB RAM Hard Disk Space - 275 MB Display - 800 x 600, thousands of colors Includes: More than 400 alphabetically inspired surprises 26 interactive pages - one for each letter of the alphabet KidVideo™ Player with ABC music videos for kids Bonus Music CD tracks with 14 Dr. Seuss songs Free Bonus Book: ABC sturdy "Boardbook" from Random House More than 600 vocabulary words for young readers Education benefits: Alphabet memorization and recognition Development of word recognition Vocabulary building Early computer skills for young learners