iLife 09 System Requirements
* Mac computer with an Intel, PowerPC G5, or PowerPC G4 (867MHz or faster) processor
* iMovie requires an Intel-based Mac, Power Mac G5 (dual 2.0GHz or faster), or iMac G5 (1.9GHz or faster).
* GarageBand Learn to Play requires an Intel-based Mac with a dual-core processor or better.
* 512MB of RAM; 1GB recommended. High-definition video requires at least 1GB of RAM.
* Approximately 4GB of available disk space
* DVD drive required for installation
* Mac OS X v10.5.6 or later