How to restore your Mac computer using Time Machine and an external hard drive

Hollis Johnson/Business Insider

• You can restore your Mac using Time Machine and an external hard drive. 
• Time Machine comes with your Mac, and allows you to restore things like photos, music, apps, and other data. 
• Although restoring your Mac with Time Machine can be done in a few steps, it could take hours to complete a restoration depending on how much information you're trying to transfer.
• Visit Business Insider's homepage for more stories.

There are many ways to backup your Mac computer and restore all of its data: cloud-based software, third-party apps, external hard drives. 

Time Machine is a software that's built into your Mac, and uses an external drive to save versions of your computer, taken hourly everyday. (You can delete old Time Machine backups once your disk is full to free up space.)See the rest of the story at Business Insider

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