Chapter 2 Get started 14
Unlock your Mac mini with Apple Watch
Use your authenticated Apple Watch to automatically unlock and wake your sleeping Mac mini
when you’re within approximately three meters of your computer. Just wake your Mac and start
using it—no need to enter a password. Auto Unlock uses strong encryption to provide secure
communication between your Apple Watch and Mac mini.
Note: Auto Unlock is a feature for Macs (mid-2013 or later) running macOS Sierra, and Apple Watch
running watchOS 3.
Set up two-factor authentication for your Apple ID. Auto Unlock works when your Apple ID
has two-factor authentication turned on. Go to Apple menu > System Preferences > iCloud >
Account Details, click Security, then select Set Up Two-Factor Authentication. For more
information, see the Apple Support article support.apple.com/HT204915.
Make sure “Disable automatic login” is also selected. (You won’t see this option if you’re using
FileVault, but you can still use the Auto Unlock feature.)
Set up Auto Unlock. Sign in to iCloud with the same Apple ID on all your devices, then click
the System Preferences icon in the Dock, or choose Apple menu > System Preferences. Click
Security & Privacy, then select “Allow your Apple Watch to unlock your Mac.”
Note: Auto Unlock works only when your Apple Watch is authenticated with a passcode. You
authenticate your Apple Watch each time you put it on, so no extra steps are required.
Skip the sign-in. Walk up to your sleeping Mac mini wearing your authenticated Apple Watch on
your wrist, and press a key to wake your Mac. Apple Watch unlocks your Mac so you can get right
to work.
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