Apple provides direct download links for macOS High Sierra 10.13 ISO and DMG files on its support website. However, these links are only available for users who have purchased a Mac or have a valid Apple ID.
To download from Apple's support website: download macos high sierra 1013 iso and dmg upd
When searching for "download macos high sierra 1013 iso and dmg upd" , you must understand the three formats: Apple provides direct download links for macOS High
Crucial Note: Version 10.13.6 is the "Gold Master." Always aim for 10.13.6, as it includes all security patches and driver updates. Crucial Note: Version 10
# Create a blank DMG
hdiutil create -o /tmp/HighSierra -size 6000m -volname HighSierra -layout SPUD -fs HFS+J
Apple provides a direct "Get" link for users who previously downloaded High Sierra or who own a compatible Mac.