Macos_high_sierra_10.13

: Use the createinstallmedia command in Terminal. For High Sierra, the command typically looks like this (assuming your drive is named "MyVolume"): sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume .

You can create this using either built-in tools or third-party applications. macos_high_sierra_10.13

: Use apps like DiskMaker X , which automate the process through a simple interface. : Use the createinstallmedia command in Terminal

: Obtain the full macOS High Sierra installer from the Mac App Store or use a tool like Mist to download it directly from Apple's servers. macos_high_sierra_10.13