How to use your Apple Watch to unlock your Mac

Written by Nuel

Now you don’t have to enter a password when you wake up your Mac


When Apple introduced the ability to unlock iPhones with an Apple Watch, it was a lifesaver for anyone wearing a mask during the pandemic. But the handy feature isn’t limited to your smartphone. You can also use your Apple Watch to unlock your Mac and to securely approve app requests.

The feature is called Auto Unlock, and technically, it came to Macs long before Apple decided to apply it to iPhones. That said, you may not have heard of it if you’ve just bought a shiny new Apple Watch or are a recent convert to the Apple ecosystem.



To get started, you’ll want to make sure all your devices are compatible. Your Mac should be a model from mid-2013 or later and running macOS Sierra at the very least. Here’s how you check to make sure:

  • Click the Apple icon in the top-right corner of your screen
  • Select About This Mac to see what year your Mac is from
  • If you’re still unsure, select System Report in the About This Mac menu
  • From there, click Network > Wi-Fi. Look in the Interfaces category to see whether Auto Unlock is supported.

Once you’re sure your Mac is compatible, there’s one more thing to do:

  • Make sure that Bluetooth and Wi-Fi are enabled. The feature won’t work if you’ve only got one turned on and not the otherother.



First, make sure you’re logged into iCloud using the same Apple ID on both your watch and Mac. If you don’t know how to do that, you can check out our guide here.

Next, check what version of watchOS you’re running. You can do this on your wrist:

  • Navigate to Settings > General > About
  • Make sure you’ve enabled two-factor authentication for your Apple ID

Okay, now you’re ready to set up your Watch. If you’re running watchOS 6 or earlier:

  • Head to System Preferences on your Mac
  • Click Security & Privacy
  • Navigate to the General menu
  • Select Allow Apple Watch to unlock your Mac


If you’re running watchOS 7 or later, the steps are the same but there’s one additional requirement: make sure you’re using a passcode with your Apple Watch. You can do this in the Watch app on your iPhone under Passcode, or on your wrist under Settings.

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