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 Read Before You Install Use the Software Install and Restore DVD that came with your computer to install Mac OS X, Classic Support, or the applications that came with your computer. You can also use the DVD to restore your computer to its original factory settings. If installing software onto a portable computer, it is advisable that your system be powered by the power adapter during the process to ensure an uninterrupted installation. If you need to restore the computer to original factory settings, back up all essential files prior to beginning the installation. To install Mac OS X 1) Insert the Software Install and Restore DVD that came with your computer. 2) Double-click the Install Mac OS X icon. 3) Follow the onscreen instructions. 4) Select the destination disk for installation, and then click Options. 5) Continue following the onscreen instructions. If you would like to restore your computer to its original factory settings, select Erase and Install. In most cases, choose Mac OS Extended (HFS Plus). To continue restoring your computer to the original factory settings, follow the below instructions below for installing Classic Support and applications. Note: To run Mac OS 9 applications in the Mac OS X Classic environment, you will need to reinstall Classic Support. See the instructions below for installing Classic Support. To install Classic Support or the applications that came with your computer 1) Insert the Software Install and Restore DVD that came with your computer. 2) Double-click the Install Applications & Classic Support icon. 3) Follow the onscreen instructions. To restore the computer to the original factory settings, select Restore All. Note: iCal, iPhoto, iTunes, iChat, and iMovie are part of Mac OS X. To install them, you must follow the instructions for installing Mac OS X. Quitting the Installer If you need to quit the Installer before the installation process is complete, choose Quit from the Installer menu and click Restart, then hold down the mouse or trackpad button to eject the Software Install and Restore DVD. You may be able to eject the DVD by pressing the eject button on a tray-loading optical drive or the Media Eject key on the keyboard. Your computer restarts using your current startup disk. Note: If you have already clicked Upgrade or Install, wait until installation finishes. Erasing and formatting your disk When you install Mac OS X, you can erase the destination disk. In the "Select a Destination" pane of the Installer, click the Options button. Select Erase and Install and then choose a format. In most cases, choose Mac OS Extended (HFS Plus). You can also divide your hard disk into several partitions before you install Mac OS X. In the Installer menu, choose Open Disk Utility and click Partition. Partitioning the disk erases the entire hard disk, so be sure to back up your files first. To install Classic Support or the applications that came with your computer onto a specific partiti…