To install macOS High Sierra ► restart computer ► hold the Option (ALT) key and select Installation USB drive from the menu. Wait a few minutes until your macOS High Sierra installation USB drive will be ready. In our case "Untitled" is the name of USB flash drive! Replace "Untitled" by name of your flash drive.
Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ macOS\ High\ Sierra.app -nointeraction &say Done The createinstallmedia is a command line tool, which allows users to simply create installation drive, distributed with macOS High Sierra installer.Īfter you have prepared your USB flash drive and downloaded the macOS High Sierra Installer from the App Store, open the Terminal and type command: The minimal capacity of USB drive must be of at least 8 GB.Ĭreate macOS Sierra installation USB flash drive with createinstallmedia tool If you did not already, you will have to format the USB drive with GUID Partition Table scheme selected and name it as Untitled. Prepare a USB flash drive with the Apple Disk Utility.
Create installation USB flash drive with Disk Utility and Finderįirst step - Get macOS High Sierra installation app and prepare USB flash driveĭownload macOS High Sierra installer (Install macOS High Sierra.app in Applications folder) from Mac App Store.Create installation USB flash drive with createinstallmedia tool.How to create macOS Sierra USB installation flash drive
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