If you have other macOS installers, you need to click on “Select the OS X installer” and select the High Sierra installer.

Under the pop-up menu, you’ll see “Select the OS X installer.” (macOS used to be called OS X.) If you have only the High Sierra installer on your Mac, Install Disk Creator will automatically select it.

Then follow these steps to create your bootable macOS High Sierra drive. When the download is done, you can move it over to your Applications folder. It now does.ĭownload Install Disk Creator by clicking on the link above. There’s another app called Diskmaker X that I’ve used before, but during the original writing of this article, it didn’t support High Sierra. It has been updated to support High Sierra. There’s a free app called Install Disk Creator that you can use to make the installation drive.

Make a bootable installer drive: The quick way If the installer auto launches, press Command-Q on your keyboard to quit the app. This will download the installer to your Applications folder.

Under the High Sierra icon on the left of the banner, click on the Download button. This link should open the App Store app and take you directly to High Sierra. Click here to go to the macOS High Sierra section of the App Store. You also won’t find it in the App Store app under Purchased. If you already installed High Sierra, you won’t find the installer app in your Applications folder. If not, just do a search for “High Sierra.” Click on it to go to the High Sierra page. Go to the Featured section of the App Store, and you may see High Sierra appear at the top. If you launch the App Store app and look for it in the Updates section, you won’t find it. It’s not available as an update, so if you run Software Update (Apple menu > About This Mac > Software Update), you won’t find it.

You’ll find High Sierra in the App Store. Get the macOS High Sierra installer software When creating the boot drive, the storage device is reformatted, so there’s no need to format the drive beforehand. If you have a USB-C storage device, then you don’t need to get the adapter. This will allow you to connect a storage device that uses a USB type-A connector. If you have a 2015 or newer MacBook or a 2016 or newer MacBook Pro, you may need Apple’s USB to USB-C adapter. To connect a USB device with a type-A connector to a MacBook or MacBook Pro with USB-C, you need the USB to USB-C adatper.

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