Before installing, ensure your hardware is compatible. High Sierra requires at least and 14.3GB of storage . It supports: iMac: Late 2009 or newer. MacBook: Late 2009 or newer. MacBook Pro/Air: Mid 2010 or newer. Apple Support Communityhttps://discussions.apple.com
If your Mac is too new to download High Sierra from the App Store, you can use a utility called Mist (GitHub) .
If you cannot access a Mac, some third-party archives host DMG files. Use these with caution as they are not verified by Apple: download macos high sierra 1013 6 dmg file link
Confirm the download. Once finished, do not run the installer; it will be located in your /Applications folder. 2. Using "Mist" to Download Directly
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/install_build Before installing, ensure your hardware is compatible
hdiutil create -o /tmp/HighSierra.cdr -size 7300m -layout SPUD -fs HFS+J
This is the safest method. You will receive the "Install macOS High Sierra.app" in your Applications folder, which you can then use to create your own bootable DMG. MacBook: Late 2009 or newer
hdiutil attach /tmp/HighSierra.cdr.dmg -noverify -mountpoint /Volumes/install_build
Open Safari and click this official macOS High Sierra App Store Link .
Community-uploaded macOS 10.13.6 DMG is often used for legacy support. System Requirements for macOS 10.13.6