There are a few ways to download the macOS High Sierra 10.13.6 DMG file:
softwareupdate --fetch-full-installer --full-installer-version 10.13.6 download macos high sierra 10.13 6 dmg file
For daily driving, especially internet-connected work, it’s time to move to at least macOS Mojave (10.14) or Catalina (10.15) if your hardware supports it. High Sierra no longer receives security updates, leaving you exposed to new vulnerabilities. There are a few ways to download the macOS High Sierra 10
: sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume Enter your password and wait for the process to finish. System Requirements for 10.13.6 Before downloading, ensure your Mac is compatible: MacBook: Late 2009 or newer MacBook Air/Pro: Late 2010 or newer iMac: Late 2009 or newer Mac Mini/Pro: Mid 2010 or newer Memory: Minimum 2GB RAM (4GB recommended) Storage: 14.3GB of available space especially internet-connected work