The "MacOS High Sierra 10.13.5 Clover Rdr Download" typically refers to a setup using the Clover Bootloader and an RDR image—a specific disk image format (often used with tools like R-Drive Image ) to restore a pre-configured macOS installer onto a USB drive.

sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/High\ Sierra\ Installer * Enter your administrator password and press `Enter`. * Wait for the process to complete (this may take several minutes).

Use to format your target drive (SSD/HDD) as Mac OS Extended (Journaled) or APFS .