and enhanced support for high-efficiency video. Whether you need it for a legacy machine or a virtual machine, obtaining a legitimate DMG can be tricky since Apple primarily pushes users to the App Store. Official Download Methods

If you need a full DMG for a bootable USB or to install on an older Mac: DosDude1 High Sierra Patcher

: Try downloading it while logged into a Mac already running High Sierra, or use the third-party tool mentioned below to bypass the restriction. Creating a DMG/USB from the App : Once you have the