copyCat is Universal software, it will run on any Macintosh that can run Mac OS X 10.4 (Tiger), including
Apple’s Mac Intel computer models. It’s recommended that older G3 and G4 Macs be upgraded with 1.0 GHz or
faster CPU and Quartz Extreme enabled graphics cards for acceptable performance.

Minimum Requirements Are:
PowerCADD: version 6 or 7
copyCat Bookmarks: Adobe Reader 7
System software: Mac OS X 10.4 or later
Computer: Macintosh G5 or Intel recommended
Memory: 1 GB minimum recommended