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sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/SierraUSB --applicationpath /Applications/Install\ macOS\ Sierra.app Use code with caution. Press . Mac Os Sierra 10.12.6 Dmg File Download
What is the of the Mac you are targeting? Mac Os Sierra 10.12.6 Dmg File Download
This update is highly recommended for any user still on Sierra, as it addresses critical security vulnerabilities that preceded the release of High Sierra. Mac Os Sierra 10.12.6 Dmg File Download