By david s, 19 February, 2017 Forum watchOS and Apple Watch Apps Hello, Anyone out there setup their Macs to auto unlock with the Apple watch? I know you need to enable vault for this to work. I’ll get to it eventually but I was wondering if anyone has done so and if it’s working well. Options Log in or register to post comments Comments You will also need to enable You will also need to enable two-factor authentication for this to work. Unlocking Mac with apple watch Hi, I use my watch all the time to unlock my Mac. I've had no problem with it.