Enter the corresponding number. The script will download the directly from Apple’s content delivery network (CDN). Step 3: Extract the DMG Navigate to the folder where the script saved the installer ( /Applications or ~/Downloads ). Then use the same InstallESD.dmg extraction method described in Method 1. Method 3: Trusted Third-Party Sources (Proceed with Verification) If you cannot use Methods 1 or 2, community repositories sometimes host verified DMGs. The most reputable is the Internet Archive (archive.org) . Recommended Search on Archive.org: macOS High Sierra 10.13.6 InstallESD.dmg original
Once you have your verified DMG, back it up to an external drive and cloud storage. Apple may finally remove High Sierra from its servers entirely in late 2025, making these files precious for retro-computing. Have questions about a specific build number (17G66 vs 17G14042)? Leave a comment below or consult the r/MacOS High Sierra legacy thread. Stay safe. download mac os high sierra 10136 dmg verified
Last Updated: October 2024 Target Version: macOS High Sierra 10.13.6 (Build 17G66 – 17G14042) Enter the corresponding number
git clone https://github.com/munki/macadmin-scripts.git cd macadmin-scripts ./installinstallmacos.py The script will list all available macOS installers. Look for: 10.13.6 - 17G14042 - macOS High Sierra Then use the same InstallESD