How to Turn On Auto Unlock on your Mac and Apple Watch?

Apple Watch and Mac are two different devices developed by Apple Inc. On the one hand, Apple's wearable gadget provides tons of fitness information and Apple Pay accessibility, whereas, on the other hand, Mac is a computer that runs on compatible software based on macOS. Apple provided a new feature, "Auto Unlock." It can be used to pair your Apple Watch to the Mac for unlocking the device.