Hardware
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- 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. 

Software
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- Mac OS X v10.5.6 or later. 

- QuickTime 7.5.5 or later (included). 

Additional Requirements
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- AVCHD video requires a Mac with an Intel Core Duo processor or better. Visit iMovie ’09 Camcorder Support for details on digital video device and format support. 

- 24-bit recording in GarageBand requires a Mac OS X-compatible audio interface with support for 24-bit audio. Please consult the owner’s manual or manufacturer directly for audio device specifications and compatibility. 

- Some features require Internet access. 

- iPhoto print products are available in the U.S., Canada, Japan, and select countries in Europe and Asia Pacific. 

- GarageBand Artist Lessons are sold separately and are available directly through the GarageBand Lesson Store in select countries. 

- Burning DVDs requires an Apple SuperDrive or compatible third-party DVD burner. 

- Flickr service is available only in select countries.