Although flash drives are generally used to access files from any computer, they can also be used to keep a portable program on hand to be used with multiple computers. If you are looking to have a portable copy of iTunes, you'll find that installing iTunes on a flash drive is the best way of doing this. Installing iTunes on a flash drive merely requires selecting the correct destination directory during the installation process.
Step 1
Download iTunes by visiting Apple.com/itunes.
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Step 2
Connect your flash drive to the computer's USB port.
Step 3
Double-click the iTunes installation file to launch the iTunes installation wizard. Click "Next."
Step 4
Click the button next to "I accept the terms in the license agreement." Click "Next."
Step 5
Click the "Change…" button next to "Destination Folder."
Step 6
Click the drop-down menu under "Look In:" and select your flash drive as the destination for your iTunes installation. Click "OK."
Step 7
Click "Install" to begin installing iTunes on your flash drive. Click "Yes" when asked if you want to allow iTunes to make changes to the computer.
Step 8
Click "Finish" to complete the process of installing iTunes on your flash drive.