- #Fresh install macos high sierra install#
- #Fresh install macos high sierra upgrade#
- #Fresh install macos high sierra full#
#Fresh install macos high sierra install#
In my opinion, if you’re looking to install a fresh copy of macOS High Sierra, this is the best way to go about doing so. Once the process is finished, you’ll have a working macOS High Sierra bootable USB install disk that can be used to install macOS High Sierra beta on any Mac that supports it. Step 15: The install process will commence by erasing the contents of your USB drive and copying the installer files to the drive. The entire process is quite lengthy - it can take around 20-30 minutes - so you’ll need to be patient as the install process completes. Step 14: Type a ‘Y’ to continue when prompted to do so, and press Return on the keyboard.
#Fresh install macos high sierra full#
Step 13: Press Return on the Keyboard to submit the full command. Step 12: Open Finder → Applications and drag Install macOS High Sierra Beta into the Terminal window. Step 11: Type -applicationpath in the Terminal window followed by a space. Step 10: Drag the USB flash drive volume into the Terminal window. Step 9: Connect your USB drive to your Mac. 2: Make a Bootable USB MacOS High Sierra. Step 8: Type -volume followed by a space. Remember that performing a clean install erases everything on the Mac. Step 7: Drag createinstallmedia into the Terminal window from the Finder location opened in Step 4. If the installer opens after downloading, quit it without continuing installation. Step 6: In the Terminal window type sudo followed by a space. The installer for macOS Monterey, macOS Big Sur, macOS Catalina, macOS Mojave, or macOS High Sierra downloads to your Applications folder as an app named Install macOS version name. It installs an app named Install Version Name.
#Fresh install macos high sierra upgrade#
Step 5: Open a macOS Terminal window via Applications → Utilities → Terminal. macOS High Sierra can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion Safari downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Step 3: Open Finder → Applications and right-click on Install macOS High Sierra Beta and select Show Package Contents. Subscribe to our YouTube channel for more macOS how-tos Step 2: Once macOS High Sierra is downloaded, close the installer that appears using Command (⌘)+Q.
Until then, you can access the High Sierra beta from Apple’s developer website, or via Apple’s public beta website. Once High Sierra officially launches, you’ll be able to go directly to the Mac App Store and download it.
Step 1: Download macOS High Sierra from the Mac App Store. Keep in mind that the following tutorial will purge everything on the drive, so make sure you back up any important data before proceeding. There are many USB 3.0 flash drives available on Amazon, just make sure that it’s at least 8GB. Your USB drive should be at least 8GB, and USB 3.0 is preferred. In the following video tutorial, we’ll show you how.Ī note about flash drives: You will need a USB flash drive to make this work. Not only will this walkthrough work for the macOS High Sierra beta, but it will also work for the final public release once available. If you want the ability to perform a fresh and clean install of macOS High Sierra, then you should consider creating a bootable macOS High Sierra USB install drive.
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