We’ll close the installer now (using the ⌘ + q keyboard shortcut) and move on to creating our bootable USB disk. The installer will prompt you to restart your machine once it has completed downloading. These files are what we need to create our bootable disk. Shortly after the release of a new version of macOS, we can expect a new version of a venerable Mac utility for creating bootable install disks: DiskMaker X. com/corpnewt/ProperTree High Sierra successfully installed on Core. In the mean time, you can access these downloaded files at the /macOS Install Data directory. Like clockwork, Apple updates macOS on an annual basis. Mac and iOS developers must edit a variety of property list and JSON. You’ll have to wait for this download to finish. It will download an application called Install macOS High Sierra and launch it.Ĭontinue the steps as prompted by the installer until it starts downloading the actual operating system’s files: Then fetch the installer by going to macOS High Sierra on the App Store and pressing the Download button. Choose Mac OS Extended (Journaled) for the file system format and set the name to Untitled. To start, find a USB drive that is big enough (8 GB should work) and erase it using Disk Utility.
#HOW TO INSTALL OS X HIGH SIERRA CLEAN HOW TO#
It wasn’t immediately obvious to me how to do that, so I wrote the steps down if you’re looking to do the same.
Due time for an upgrade!īecause I want to start from a clean slate and erase my entire drive, I needed a High Sierra bootable USB drive to install from. If you haven’t downloaded a version of OS X/macOS previously, then the Mac App Store will initially download an installer and then try to walk you through the process of installation. I was still running on an embarrassingly old version of Mac OS X when macOS High Sierra was released. Step 1: First up, download macOS High Sierra 10.13 final from the Mac App Store as it’s essentially the required part of the process.
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