Name the drive exactly MyVolume and set the format to , then click Erase.
which provides a link that opens the Mac App Store directly to the High Sierra page. : You must use to open these links correctly. Standalone Update DMG Download Mac Os High Sierra 10.13.6 Dmg
OS X Mountain Lion 10.8 or later to upgrade directly Official Methods to Download macOS High Sierra 10.13.6 Name the drive exactly MyVolume and set the