Once the "Install macOS High Sierra.app" is in your Applications folder, follow these steps to create a raw bootable drive: Format a USB Drive: Disk Utility to format a 16GB+ drive as "Mac OS Extended (Journaled)". Use Terminal:
: Click "Get" or "Download." The installer will download to your /Applications folder as "Install macOS High Sierra.app". Macos High Sierra 10.13.6 Raw Download
: Apple provides standalone update packages (Update or Combo Update) for users already on High Sierra who need to jump to 10.13.6. System Requirements Once the "Install macOS High Sierra
macOS High Sierra - Technical Specifications - Apple Support Macos High Sierra 10.13.6 Raw Download
If you already have a version of High Sierra (e.g., 10.13.1) and only need the final update files to reach 10.13.6, you can download standalone update packages from Apple Support . macOS High Sierra - App Store
The Last Classic: How to Get the macOS High Sierra 10.13.6 Raw Download Safely
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --nointeraction