To download the macOS High Sierra 10.13.6 installer, Apple primarily directs users to the Mac App Store rather than offering a standalone DMG for the full OS. However, update-specific DMG files are available for those already on version 10.13. Download Options Official App Store Link : For the full 5.2 GB installer, use the official Apple Support page
If you're downloading from the Mac App Store: Download Mac Os High Sierra 10.13.6 Dmg
softwareupdate --fetch-full-installer --full-installer-version 10.13.6
Metal 2: Advanced graphics technology that improves app performance and introduces support for external GPUs (eGPUs) and virtual reality content creation. To download the macOS High Sierra 10
Before running the installer, disconnect from Wi-Fi (Ethernet too). Open Terminal and set the date back to when High Sierra was signed: Metal 2 : Advanced graphics technology that improves
Terminal Command (For current Mac users): You can fetch the full installer directly from Apple's servers using this command in Terminal:softwareupdate --fetch-full-installer --full-installer-version 10.13.6