Use the arrow keys to select the yellow drive icon labeled . Press Enter to boot into the macOS Recovery environment.
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume Use code with caution. (Replace "MyVolume" with your USB name) . Installing with DMG on Windows (For Virtual Machines) macos high sierra 10136 dmg install
High Sierra automatically converts solid-state drives (SSDs) to Apple File System (APFS). If you encounter read/write failures on older machines, boot back into Disk Utility and explicitly format the drive to APFS before initiating the OS script installer. Use the arrow keys to select the yellow drive icon labeled
With your bootable USB ready, you can now proceed to install the operating system. Option A: Upgrading an Existing System (Replace "MyVolume" with your USB name)
Once the media is ready, the installation process follows these steps:
Step 1: Download the Official macOS High Sierra 10.13.6 Installer
Minimum 2 GB of RAM (4 GB or more highly recommended).