Here are the Mac requirements!

What are the system requirements for Macintosh users?
Minimum System Requirements
Operating system: Apple Mac OS X version 10.1.5 (latest version 10.2.x recommended)
Any computer supported by Mac OS X version 10.1.5 (450 megahertz (MHz) PowerPC G3 processor or higher recommended)
Memory: 128 megabytes (MB) or higher
Free hard disk space: 10 MB
Monitor color depth: 256 colors (Millions of colors recommended)
Netscape 7.1(For the Best Experience), Apple Safari 1.0, FireFox, America Online for Mac OS X, MSN for Mac OS X version 2.0
Players: Windows Media Player Version 9 for MAC