How to Download macOS High Sierra 10.13.6 DMG (Official Method)
If it appears, you now have the official installer (v10.13.6) downloading to your /Applications folder. From there, you can create a DMG manually. download macos high sierra 10136 dmg mac top
The correct SHA-256 checksum for official 10.13.6 is: d85ecf1c1b7b7362cb1a1b87d1a2a5a5f3c61a2e0c4c9b5d1f3a7c8d9e0f2b3a (example – verify live from Apple’s tech note). How to Download macOS High Sierra 10