|verified|+macos+high+sierra+10136+dmg+mac+install: Download
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume Use code with caution. Copied to clipboard
On Macs running macOS Catalina 10.15 or later, you can download the full installer directly using the command line: Open . download+macos+high+sierra+10136+dmg+mac+install
Once you have the .app installer, you can create a bootable DMG for backup or multiple installs: sudo /Applications/Install\ macOS\ High\ Sierra
Notes & safety
On a Mac running Sierra or older, open Terminal and run: download+macos+high+sierra+10136+dmg+mac+install
She pressed enter.