How to unlock your Mac with Apple Watch

If you have a Mac (mid-2013 or later) with macOS 10.13 or later, your Apple Watch can instantly unlock your Mac when it wakes from sleep. You need to be signed in to iCloud with the same Apple Account on both your Mac and Apple Watch.
Turn on Auto UnlockMake sure that your devices are set up as follows:• Your Mac has Wi-Fi and Bluetooth turned on.
• Your Mac and Apple Watch are signed in to iCloud with the same Apple Account, and your Apple Account has two-factor authenticat