How to download and Install macOS Sierra 10.12.3 public beta 1 on your Mac

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After rolling out macOS Sierra 10.12.3 beta 1 to developers, Apple today seeded the version to public beta testers. The bad news is that, Apple did not offer testers any areas of focus, so they can’t notice the changes featured in the first build of macOS Sierra 10.12.3.

If you want to install macOS Sierra 10.12.3 public beta 1 on your Mac, keep reading and we’ll present to you how to do it with ease.

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Steps to create a backup of your Mac

Before getting in on the public beta, you are required to create a backup of your Mac in case you may want to revert to OS X El Capitan.

Step 1: Choose the Time Machine icon from Mac Menubar

Step 2: Click on Backup now.

Wait until the backup is done, and then jump to the next section.

Steps to register your account for the macOS Sierra public beta

If you already have a public beta for OS X installed, skip this step. You just need to sign in with the same Apple ID. If this is the first time you have joined a public beta, you are required to register for macOS Sierra by signing up with your Apple ID.

Step 1: Launch Safari on your Mac and head to beta.apple.com.

Step 2: Choose Sign up to start.

Note that if you’ve already signed up for a previous public beta, choose Sign in and jump the Steps to enroll your Mac section below.

Step 3: Feed in your Apple ID email address and password.

Step 4: Choose Sign in.

After you’ve successfully signed up and signed in, you can now start downloading.

Steps to enroll your Mac in the macOS Sierra public beta

You can download the macOS Sierra public beta via the Mac App Store, but you will be asked to enter a special code. The code is given to you on the website. Besides, when you trigger the process, the code will be automatically entered for you.

Step 1: Head to beta.apple.com.

Step 2: Choose the macOS tab, if it’s not highlighted already.

Step 3: Choose Download the macOS Sierra Public Beta.

Step 4: Go to your Downloads folder to launch the file.

Step 5: Now, simply double-click on the package to run the installer.

Once the installer is done downloading, the Mac App Store will automatically open to the Updates section. Hit Update to download and install the beta.

Steps to install the macOS Sierra public beta

Step 1: Launch the Install macOS Sierra Public Beta app on your Macc.

Step 2: Choose Continue at the bottom of your screen

Step 3: If you have created a backup of your Mac, click Cancel to move ahead.

Step 4: Agree to the licensing terms, and then choose Agree again to confirm.

Step 5: Choose the drive you wish to install macOS Sierra 10.12.2 Public Beta 5 onto, and then hit Install.

Step 6: Feed in your administrator passwordOK.

Step 7: Choose Restart.

Once your Mac is finished restarting, it will be running macOS Sierra.

That’s it. You are all done.  Run into trouble installing macOS Sierra 10.12.3 public beta 1 on your Mac? Do let us know in the comments below and we’ll try to troubleshoot your issue!

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