How to Download macOS High Sierra 10.13.6 DMG on Mac If you need to revive an older Mac, set up a virtual machine, or create a bootable installer, finding a reliable, official download for is critical. Apple no longer displays this older operating system prominently in the Mac App Store, making it tricky to locate.
If you receive this error, the certificate for the older installer has likely expired. Update your Mac's date and time back to 2018 using Terminal ( date 010101012018 ) before running the installer.
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) download macos high sierra 10.13.6 dmg mac
Even with the correct DMG, you may encounter errors due to expired certificates or system conflicts.
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume (Replace 'MyVolume' with your USB drive's actual name) Cross-Platform Tools : On a Windows PC, you can use software like UUByte DMG Editor to "burn" a High Sierra DMG to a USB drive. Microsoft Community Hub Key Features of Version 10.13.6 macOS High Sierra - App Store How to Download macOS High Sierra 10
Do you need this for a on an old Mac or for a Virtual Machine ?
Locate "macOS High Sierra 10.13" and click the link. This will redirect you to the Mac App Store. Click Get or Download . Update your Mac's date and time back to
Restart with – it reinstalls the latest version your Mac supports (which may be 10.13.6).
However, always prioritize your data security. If your hardware supports it, consider upgrading to a newer, still-supported macOS version for the best protection against modern threats. And if your Mac is unsupported, exploring patchers like OpenCore Legacy Patcher (OCLP) can help you run more recent versions while maintaining better security practices.
Open Safari and visit the Apple Support page for downloading older macOS versions .