<ul><li>Apple Watch can instantly unlock your Mac if you have a Mac from mid-2013 or later with macOS 10.13 or later.</li><li>To enable this feature, both your Mac and Apple Watch must be signed in to iCloud with the same Apple Account with two-factor authentication on.</li><li>Turn on the Auto Unlock feature by selecting 'Use Apple Watch to unlock apps and your Mac' in System Settings or Security & Privacy.</li><li>To unlock your Mac while wearing your watch, wake up your Mac without typing in a password, as long as the Apple Watch is on your wrist, unlocked, and near your Mac.</li></ul>

How to unlock your Mac with Apple Watch

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