Time Machine: Learn how to set Time Machine to backup files stored on external drives.

Backup external drives

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macOS: Learn how to hide windows to simplify the look of your screen.

Hide windows

System Preferences: Learn how to make your favorite Web browser open when you click a link.

Set your default Web browser

Photos: Learn how to use a shortcut to try and fix problems you’re experiencing with your photo library.

Repair your photo library

Maps: Learn how to use Flyover to watch a 3D guided tour of different cities around the world.

3D Flyover Tour

macOS: Learn how to use a keyboard shortcut to access the hidden “Save As” command.

Backup external drives

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