
If you've been waiting for macOS 10.13.6 to start testing with macOS, now's the time to start downloading. If you already have the macOS High Sierra beta installed, head to Mac App Store > Updates and download away. Edit: The full installer is an app that will be downloaded from the App Store It will be a 'Install macOS High Sierra' app (around 5.25 GB) in the Applications folder and it will. Update July 2, 2018: Apple has just released macOS High Sierra 10.13.6 beta 5 for developers. You'll be directed to your Home screen where you can start digging around to find all of the fun new features. iCloud will sync your desktop and other files. Sign in with your Apple ID and password.You'll have to follow a couple of steps to get started. Once your Mac reboots, you'll be set up with macOS High Sierra. How to get started with the macOS High Sierra developer beta The installation helper will allow you to transfer information from your current operating system, or you could choose to do a clean installation to start your Mac from scratch. Select the partition you wish to install the software on.Select Show All Disks to switch from your main partition.


How to install the macOS High Sierra beta on a partition Grab a cup of coffee while you wait for the software to finish installing. You'll see a black screen with the Apple Logo and a progress bar. Your Mac will reboot to install macOS High Sierra.

