Last updated: June 2025. Information based on Apple’s current distribution policies. Some App Store links may change; if the direct link fails, use Terminal method.
Type the following command and press Enter: softwareupdate --fetch-full-installer --full-installer-version 10.13.6
To download macOS High Sierra 10.13.6, the most reliable method is obtaining the installer through the official Mac App Store . While many users search for a "DMG file," Apple typically distributes macOS installers as .app files (e.g., Install macOS High Sierra.app ) rather than standalone disk images. Official Download Methods
Apple provides an official URL that opens the App Store to the "Install macOS High Sierra" page. download macos high sierra 10.13 6 dmg file
, a critical tool for performing "clean installs" or reviving a Mac that can no longer boot into its recovery partition.
Only obtain the DMG (or the .app installer) from a source that provides the Apple-issued certificate or direct Apple CDN (Content Delivery Network) links.
Before diving into the download process, let’s understand why this specific version remains relevant. Last updated: June 2025
Type your Mac’s admin password when prompted and press Enter.
Apple maintains support pages with direct links to older operating systems. If you have a compatible Mac running a version of macOS that allows downloading High Sierra, this is the safest method.
If you cannot use the App Store, here are the best methods to obtain a functional installer: Type the following command and press Enter: softwareupdate
Yes. You will need to download the installer using a Mac that supports High Sierra (or later) and the App Store. Alternatively, you can download the DMG on another computer and transfer it to your older Mac via a USB drive.
…they are and not verified.