What are you currently using to prepare the file?
: Copy and paste the following two commands one after the other. macos high sierra 10.13 6 iso download
installer via the Mac App Store. To get an ISO, you must first download the official installer on a compatible Mac and then convert it using Terminal. Microsoft Community Hub 1. Download the High Sierra Installer What are you currently using to prepare the file
macOS High Sierra 10.13.6 full installer - Apple Communities click the empty Optical Drive icon
How to Safe and Securely Download the macOS High Sierra 10.13.6 ISO
Under , click the empty Optical Drive icon, select Choose a disk file , and upload your HighSierra.iso .