Turn on Find My Mac
If your Mac is lost or stolen, Find My lets you locate it, lock it, or erase everything on it from another Apple device or from iCloud.com. It takes a minute to switch on and could save your data.
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Turn it on
Open System Settings, click your name, then Find My, and turn on Find My Mac. Also enable Find My network, which can help locate the Mac even when it's offline.
What you can do if it goes missing
From another Apple device or iCloud.com, you can play a sound to find it nearby, mark it as lost so it locks and shows a message, or erase it remotely so your files can't be reached. Because your disk is encrypted with FileVault, an erased or locked Mac gives nothing away.
Pair it with FileVault
Find My and FileVault work best together: FileVault keeps your data unreadable, and Find My lets you act quickly. If you haven't turned on FileVault yet, that's the next step worth taking.
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