Ensure your Mac supports High Sierra before proceeding. Supported models generally include: MacBook/iMac: Late 2009 or newer. MacBook Air/Pro/Mac mini/Mac Pro: 2010 or newer.
Getting a clean macOS High Sierra 10.13.6 ISO can be a bit of a "piece-by-piece" puzzle because Apple doesn't officially distribute ISO files—only the installer app. To get a reliable one, you usually have to download the installer from Apple and then convert it yourself. 1. Download the Official Installer The safest way to start is by getting the official Install macOS High Sierra.app
Convert the final image layout into a standardized .iso structure:
Are you planning to install this on a or inside a virtual machine ? macos high sierra 10.13 6 iso download
hdiutil attach /tmp/HighSierra.dmg -noverify -mountpoint /Volumes/HighSierra Use code with caution.
Relaunch VirtualBox and click to run the macOS High Sierra setup wizard. Summary Troubleshooting Tips
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/HighSierra --nointeraction Use code with caution. hdiutil detach /Volumes/Install\ macOS\ High\ Sierra Use code with caution. Convert the DMG image into an ISO file: Ensure your Mac supports High Sierra before proceeding
High Sierra reached its official End of Life (EOL) status and no longer receives structural security patches from Apple. While it is perfect for retro-gaming, running legacy productivity software, or educational testing inside virtual machines, you should avoid using it as your primary system for online banking or handling sensitive personal data. What file system does High Sierra use?
macOS High Sierra (version 10.13) was a significant update focused on introducing new foundational technologies.
Finding a clean, reliable ISO can be challenging. Here are the best sources available as of 2026: 1. Internet Archive (Archive.org) Getting a clean macOS High Sierra 10
When setting up a VM in VirtualBox, be sure to set the Operating System type to "Mac OS X" and the version to "macOS 10.13 High Sierra". Additionally, you may need to enter specific VirtualBox commands (vboxmanage) to enable the appropriate screen resolutions and mouse integration.
Before starting the installation layout, disconnect your machine from the internet. Open the terminal utility from the recovery menu and manually roll back the system clock to a date close to the operating system's release era (e.g., type date 0101000018 to set the date to January 1, 2018). Restart the installer. 2. Virtual Machine Boot Loops
Hackers often bundle keyloggers or spyware into modified ISO files.