sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled Use code with caution. Input your Mac administrator password when prompted.
Apple Disk Image (.DMG) or Installer Application (.APP) Architecture: 64-bit File Size: Approximately 4.9 GB to 5.2 GB Official System Requirements
Terminal will download the complete framework straight from Apple's CDN and place the installer app directly into your /Applications folder. Converting the Installer App into a DMG File macos high sierra 10136 dmg full
Steps (using Terminal):
: On Macs running macOS Catalina 10.15 or later, you can use this command to download the installer: sudo /Applications/Install\ macOS\ High\ Sierra
softwareupdate --fetch-full-installer --full-installer-version 10.13.6
High Sierra updates your Mac's firmware to recognize the newer APFS file system structure. If you are using a third-party non-Apple SSD, the firmware update may fail. Converting the Installer App into a DMG File
macOS High Sierra - Technical Specifications - Apple Support
For IT professionals, use this inline command:
Apple still maintains a hidden support page for older installers. Use this URL directly: