You can download the macOS High Sierra beta on your Mac today to test new macOS High Sierra features before they’re released this fall. This is how you can download macOS High Sierra and install it on your Mac.
It’s available to developers right now, anyone can technically install the macOS High Sierra beta, but there are some reasons not to mess with it. If you want to wait for a more consumer-friendly early look at High Sierra, a public beta of macOS High Sierra is coming at the end of June.
Before you try the macOS High Sierra beta, there are some basic steps you should take, including backing up your Mac, as you may need to upgrade to macOS Sierra before the full release this fall.
How to Download macOS High Sierra Beta
The macOS High Sierra beta download is easy to find because it’s in the Mac App Store, but you need to install a special file for your Mac to see the macOS High Sierra download.
Developers can log in to the Developer Portal, click Downloads, and then download the macOS High Sierra Developer Beta Access Utility. If you are not a developer, you can download a copy from: unofficial Apple Betas website.
After downloading this file, open the installer.
Follow the onscreen instructions to complete this setup and enter your password as needed. Once this is complete, it should launch the Mac App Store and show you the macOS High Sierra beta download option. If not, restart your Mac.
Click download on this screen and wait for the macOS High Sierra beta installer to download to your computer. This will take some time as it is a fairly large file to download.
How to Install macOS High Sierra Beta
Once your download is finished, the macOS High Sierra installer should open automatically. If not, you can find it in your Launcher.
- Click Continue.
- Accept the macOS High Sierra Beta terms and conditions.
- Allow APFS upgrade and click Install.
- Enter your password if prompted.
- Follow the remaining on-screen instructions.
In the next 30 to 45 minutes, your Mac will restart and continue with an installation. You may see a time slot on the screen and only an Apple logo at other times. This can take up to an hour.
When the MacBook restarts, you need to click continue and then sign in using your Apple ID and password. Click Get started to start using macOS High Sierra beta. If you use the same password on iCloud as on your Mac, you will need to change the password.
Now try the new macOS High Sierra features available on your computer. You’ll see a number of macOS 10.13 beta updates over the next few months. You can install them using the Mac App Store.