Even in 2026, Apple maintains a hidden support page for legacy installers. This is the safest method.
Now that you have all the tools and knowledge, you can confidently manage your legacy Mac system. Good luck with your installation!
Click the link for . This will automatically redirect you to the Mac App Store. Click the Get button.
Technically, the download above provides an .app file. If you specifically need a for installation on another Mac or for archival purposes, you can create one using the built-in Disk Utility: download macos high sierra 10.13.6 dmg mac
macOS High Sierra (version 10.13.6) remains a crucial operating system for users running older Mac hardware. Whether you need to revive a vintage MacBook, create a bootable installer, or set up a virtual machine, securing a clean, official DMG file is the first step.
Download macOS High Sierra 10.13.6 DMG: Direct Install Guide for Mac
Go to Apple’s “How to download macOS High Sierra” support article. Look for the App Store link – it opens a hidden page in the App Store. Once downloaded, the installer appears in your Applications folder. You can then right-click → Show Package Contents to find the actual InstallESD.dmg if you need a raw DMG. Even in 2026, Apple maintains a hidden support
If the App Store shows "Open" instead of "Get", move the existing Install macOS High Sierra.app from your Applications folder to the Trash and restart your Mac.
Double-click the in the Applications folder. Follow the on-screen prompts. Your Mac will restart to complete the upgrade. Method B: Clean Installation (Using Bootable USB) For a fresh start, a clean install is recommended. Prepare USB: Connect a 16GB+ USB drive.
Before downloading, check if your machine supports this specific operating system version: Mac Lineup Supported Models (Minimum Requirements) Late 2009 or newer MacBook Late 2009 or newer MacBook Pro Mid 2010 or newer MacBook Air Late 2010 or newer Mac Mini Mid 2010 or newer Mac Pro Mid 2010 or newer Storage Required Minimum 20 GB of free space How to Download macOS High Sierra 10.13.6 Safely Method 1: The Official Apple App Store Route (Recommended) Good luck with your installation
You will now find a clean, official macOS_High_Sierra_10.13.6.dmg file sitting right on your desktop. 4. How to Create a Bootable USB Drive from the Installer
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled Use code with caution.