While theAppleWatchis primarily designed as an extension of your iPhone, itsintegrationwithmacOS offers a streamlined workflow for unlocking your MacBook, enablingApplePay authentication, and leveraging Continuity features. This article will detail the process of pairing yourAppleWatchwithyour MacBook, covering prerequisites, setup procedures, troubleshooting techniques, and ...
To use Auto Unlock withAppleWatchSeries 3 or newer, your Mac needs macOS HighSierraor later. To use Auto Unlock to approve requests for your Mac administrator password, yourAppleWatchneeds watchOS 6 or later, and your Mac needs macOS Catalina or later.

But if you have anAppleWatchSeries 3, you'll need to upgrade your computer to macOS HighSierrafor this feature to work properly — at least for the time being. Why? The Series 3AppleWatchuses the company's newly designed W2 wireless chip; it makes Wi-Fi and Bluetooth faster and more efficient, but requires updated software on the Mac so that the two devices can talk to each other.

Furthermore, visual representations like the one above help us fully grasp the concept of Apple Watch Integration With Sierra.
I have a MacBook Pro (Retina, 13-inch, Early 2015) that I just reinstalled macOSSierra10.12.3 and now I am trying to use myWatchto unlock. I had this working before in the past before the
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