Macos_high_sierra_10.13 -

: 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 :

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

To "make paper" of macOS High Sierra 10.13, you can create a bootable installer on a USB drive. This is often referred to as a "boot disk" or "installer drive." Creating a Bootable Installer (The "Paper" Copy) : You need a USB flash drive with at least 16GB of capacity