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 need a USB flash drive with at least 16GB of capacity. Use Disk Utility to format it as Mac OS Extended (Journaled) with a GUID Partition Map . Create the Installer : 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. Use Disk Utility to format it as Mac

: If you only have access to a PC, you can use TransMac to restore a High Sierra DMG file to a USB drive. Key System Requirements & Features

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