: Download the .app installer from the App Store on a compatible Mac, then use Terminal commands to convert the installer into a bootable DMG.
(if still available)
Double-click the downloaded file. A new volume named "Install macOS High Sierra" will appear in Finder. macos high sierra 10131 dmg
: Also known as H.265, this standard allows for 4K video that is up to 40% smaller than previous standards. : Download the