sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume Microsoft Community Hub
This guide provides direct, official methods to download the macOS High Sierra 10.13.6 DMG or installer app safely, alongside instructions for creating a bootable USB drive. Direct Official Download Links for macOS High Sierra download macos high sierra 10.13.6 dmg mac
Once completed, look inside your folder for the High Sierra installer app. Method 3: Converting the App Installer to a DMG File sudo /Applications/Install\ macOS\ High\ Sierra
If you need a DMG-like experience to install on another machine, you must convert the downloaded into a bootable USB: 16GB+ USB drive formatted as Mac OS Extended (Journaled) Run this command in Terminal: Insert the USB drive, hold down the key,
To use your new bootable drive, shut down the target Mac completely. Insert the USB drive, hold down the key, and press the Power button . Keep holding the Option key until the startup manager screen appears, then select Install macOS High Sierra from the boot options list. Critical Troubleshooting & Safety Tips
Your Mac will open the pane (or App Store on older OS versions).