If you already have High Sierra and just need the 10.13.6 update, you can download the update package directly: macOS High Sierra 10.13.6 Update macOS High Sierra 10.13.6 Combo Update (Recommended for updating from any 10.13 version). Apple Support Creating a DMG File If you specifically need a
Move the resulting system image from your temporary directory to your active desktop for everyday use: download macos high sierra 10.13 6 dmg file
Press , then type your administrator password when prompted. Terminal will erase the disk and copy the installer files. This process takes about 10-20 minutes. If you already have High Sierra and just need the 10
Once you've accessed the download link, follow these steps: download macos high sierra 10.13 6 dmg file
Apple provides direct download paths for older operating systems via the Mac App Store and direct pkg installers.