Next, you’re most most likely to be asked whether you want to use the bootable HighSierra USB drive for Time Machine backups. You should receive a warning that your drive will be erased. Note, the characters you type aren’t displayed in the Terminal windowĦ. You’ll be prompted to type your login and password. Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/HighSierraĤ. Copy and paste the following command into the Terminal window: Launch Terminal (navigate to Applications → Utilities and open the Terminal app)ģ. Connect the HighSierra USB drive to your MacĢ. To create a bootable macOS High Sierra USB installer:ġ. Once you have the external drive or USB and the High Sierra installer ready, use the Terminal app to create a boot disk. Create a bootable High Sierra installer with Terminal
Note: Advanced steps mentioned below are intended for system administrators and experienced macOS users who know how to use the Terminal command line. Change the name of your drive to HighSierra. The system will automatically reformat the drive to make it compatible with a Mac. While an SSD would be a great option to create a bootable macOS High Sierra installer, a 16GB USB drive is enough as well. What’s next? Get an external drive you want to save the installer on. Alternatively, use this link to get the installation file.In this case, navigate to Purchased in the App Store and find the installer in the list If you’ve already upgraded to High Sierra, the installer is automatically removed from that location.Note, when the installer is fully downloaded it will automatically launch so make sure to quit it
Installing macOS the clean way (using a non-startup drive).Creating a bootable USB using the Terminal.Requirements to create macOS High Sierra bootable USB drive.It’s not hard at all, and in this article, we will guide you through: It makes sense to create a bootable USB flash drive to install the High Sierra operating system if you want to quickly install it on several Macs without having to download the installer each time. The app will help you delete junk, duplicates, and unnecessary apps in a couple of clicks.
MacKeeper allows you to free up necessary gigabytes easily. Please note that before installing any system, you need to ensure there is sufficient space on your Mac.