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Your Mac will restart and proceed with the installation.

If you have other applications open, the installer will ask to close those apps.

The installer will tell you it needs to restart the Mac to proceed.

Enter this information and click Add Helper.

You must enter the username and password for the new “helper tool” that the installer wants to install.

Select your Mac’s startup drive and click Install.

#Apple macbook high sierra download software license

Read the software license agreement and click Agree.

It will be saved to your Applications folder. You can quit (Command-Q) if you want to run the installer later.

When the download finishes, the installer will automatically launch.

When you’re ready, click the Download button at the upper left.

This should bring you to the High Sierra section of the App Store, and you can read Apple’s description of the new OS there.

You can also do a search, but you’ll probably find it in the top marquee carousel or somewhere in the Features section of the store.

Look for macOS High Sierra in the App Store.

Launch the App Store app, located in your Applications folder.

With the aforementioned apps, you can even schedule the creation of a bootable backup every night, so that you’ll always have a fallback regardless of what goes wrong. Obviously, the bootable backup strategy doesn’t help if you’ve already upgraded, but it’s something to consider adding to your maintenance routine to help prevent issues in the future.

#Apple macbook high sierra download upgrade

If you upgrade and find that you don’t like the new version of macOS, or if there are issues with application compatibility, you can simply revert to your bootable backup and be back up and running with the old operating system in a matter of minutes. This not only makes normal system recovery much easier, but it also allows you to grab a “snapshot” of your system just before major macOS upgrades. Using an app like Carbon Copy Cloner or SuperDuper you can create full bootable backups of your drive.

#Apple macbook high sierra download install

Then back up all of your data, boot to the USB installer and use Disk Utility to erase the drive, and then install High Sierra from scratch.įor those who don’t like the sound of that, but still fear needing to downgrade, one forward-looking solution is to get into the habit of creating bootable backups of your Mac’s primary drive.

To do so, you’d need to use the steps above to download the High Sierra installer and create a bootable USB. You see, there’s no built-in, official way to downgrade nondestructively from one macOS version to another. Reasons for doing so may include downloading an installer for another Mac that has limited or no Internet access, troubleshooting another Mac that won’t boot, or even creating a bootable installer for the purpose of downgrading your own Mac if you find that software you rely on has incompatibilities with the latest version of macOS. While Apple would justify this limitation in the name of simplifying things for consumers, the fact remains that many users may still need to download an older version of macOS at some point. The idea is that once you upgrade to the latest version of macOS there’s no going back to using an earlier version. For example, once you’re running macOS Mojave, you won’t see the macOS High Sierra page listed in the Mac App Store, nor will it show up in App Store search results.

#Apple macbook high sierra download how to

How to Download macOS High Sierra From macOS MojaveĮver since Apple started using the Mac App Store to distribute operating system updates, the company hasn’t made it particularly easy to access older versions of macOS.