Apple Apps & Software News

macOS Sierra 10.12.3 Beta 3 Now Available

Today we saw the rollout of iOS 10.2.1 beta 3 begin, and now it looks like Mac users are also in for a treat as Apple has also begun rolling out macOS Sierra 10.12.3 beta 3. This comes nearly a month after the second build of the future software upgrade for the Mac became available for testing, while this particular build likely includes simple bug and security fixes out of preparation for a public release sometime in the near future. For those who make discoveries about the latest macOS betas, you can forward your sightings to and @MBEDDEDMaximum on Twitter.


To install the latest macOS Sierra 10.12.3 beta on your registered Mac, head over to the “Updates” tab in the App Store and check for updates. There, you’ll find the new build ready to install. Just click the “Update” button next to the macOS Sierra 10.12.3 Beta 3 listing and restart your Mac. The process may take a little while, so be patient and don’t turn off your Mac manually if you don’t have to.


Max Buondonno is a technology enthusiast who has been working as a journalist in this industry for more than a year. He has grown up in the age where everyone has a smartphone which has influenced his decision to become a professional technology writer, his passion in life. He's dipped his toes in the development of websites, while you can ask him anything about Apple, Google, or Microsoft and he's bond to give you an answer. He's reachable on Twitter, Facebook, Google+, LinkedIn, and email.

3 comments on “macOS Sierra 10.12.3 Beta 3 Now Available

  1. Pingback: Apple Rolls Out macOS Sierra 10.12.3 Beta 4 to Testers – MBEDDED

  2. Pingback: tvOS 10.1.1 Beta 2 Now Out for Testing On the Apple TV – MBEDDED

  3. Pingback: watchOS 3.1.3 Beta 3 Rolling Out to Developers – MBEDDED

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