Click Update to download and install the developer beta software. When the installer is finished downloading, the Mac App Store will automatically open to the Updates section.

Open your Downloads window and select macOS High Sierra Developer Beta Access Utility.ĭouble-click macOSSierraDeveloperBetaAccessUtility.pkg to run the installer.

The file will automatically download to your Mac. Scroll down and click on the Download button for macOS 10.13. How to download the macOS High Sierra developer betaĭownloading the latest beta on your Mac is as simple as visiting Apple's developer portal. Time Machine will format the hard drive for backups and start within two minutes. Select Time Machine in the System Preferences window.Ĭlick Select Backup Disk and choose the disk you'd like to use.

Click on the Apple icon () in the upper left corner of your screen.

Connect an external hard disk or Time Capsule with a USB, FireWire, or Thunderbolt cable.

Even if you just backed everything up the night before, make sure your Mac is completely up-to-date. When it comes to securing your data, it is definitely better to be safe than sorry. The download and installation process is fairly easy, but any time you make significant changes to your computer, you risk problems. How to make an archived backup of your Mac with Time Machineīefore you begin, make sure you back up your Mac.

How to get started with the macOS High Sierra developer beta.

How to install the macOS High Sierra beta on a partition or external drive.

How to install the macOS High Sierra developer beta.

How to download the macOS High Sierra developer beta.

How to make an archived backup of your Mac.

MacOS High Sierra 10.13.6 is coming down the line with new features that need as much testing as they can get as such, Apple is releasing early beta software so that developers can make their apps work seamlessly when the full operating system launches to the public.

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