While the App Store no longer prominently features High Sierra, you can still download the full installer app and DMG files using the following legitimate methods.
This comprehensive guide covers everything you need to know about downloading macOS High Sierra, verifying its authenticity, and installing it safely. Technical Specifications & System Requirements Download Mac Os High Sierra 10.13.6 Dmg
Apple maintains a database of legacy operating systems available directly through the Mac App Store or via package downloads. While the App Store no longer prominently features