iMovie and iDVD are preinstalled on the computer's hard disk. If you delete iMovie, iDVD, or parts of these applications, and then later decide you want to use either of them, you may restore the hard disk by using the Apple Software Restore discs that came with the computer.
Instructions for using this software are available in the "Restoring Your Computer's Software" section of the "Setting Up Your Power Mac G4" manual.
Reinstalling iMovie, iTunes, or iDVD Without Erasing
For more information on installing this software, refer to technical document 106451: "Apple Software Restore: How to Install Reinstall Parts Without Erasing the Hard Disk"
For Power Mac G4 (Mirrored Drive Doors)
iMovie, iTunes, and iPhoto are included as part of the Mac OS X 10.2 Installation disc. If you delete any part of these applications and then later decide you want to use them you can reinstall them by following these steps: