Note: The version downloaded from the App Store usually defaults to the final version (10.13.6). If you specifically require 10.13.1, you may need to use standalone combo updates from Apple Support Downloads to adjust your target version. Method 2: Creating a DMG from the Installer Application
Choose the orange drive icon labeled Install macOS High Sierra . macos high sierra 10.13.1 dmg
While High Sierra is no longer officially supported with security updates as of November 2020, it remains a vital bridge for legacy applications and hardware compatibility for specific Mac models ⚙️ System Compatibility Note: The version downloaded from the App Store