Interpreting the Query
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume download+macos+high+sierra+10136+exclusive
Let's not pretend this is safe for daily driving in 2026. The last security update for High Sierra was . That means: The Ultimate Guide to Download macOS High Sierra 10
Even though Apple hides High Sierra on the front page, they maintain a secret support document for legacy users. This is the closest thing to an "exclusive" direct download. download+macos+high+sierra+10136+exclusive