Time Machine is a built-in feature of macOS that can automatically back up your computer to an external hard drive. Here’s how to set it up and use it.
How to Set Up Time Machine
To set up Time Machine, connect an external hard drive to your Mac and open System Preferences. Click on Time Machine and choose “Select Disk.”
Select the external hard drive you want to use for backups and click “Use Disk.” Time Machine will start backing …