Apple's older installers often have . If you get an error saying "The application is damaged," you may need to disconnect from the internet and set your system date back to 2018 via the Terminal ( date 0101010118 ) before starting the installation.
If you need it for a legitimate Mac or VM:
Ensure the file named Install macOS High Sierra.app is sitting in your folder. Step 2: Use Terminal to Build the ISO macos high sierra 10.13 6 iso download
If you don't have access to a Mac to build the ISO, community repositories like or Olarila often host pre-built ISOs.
Apple provides a direct Mac App Store link for High Sierra. Apple's older installers often have
Ideal for running on VirtualBox or VMware, especially for developers testing legacy compatibility.
Released as the final refinement of the 10.13 generation, version 10.13.6 remains highly sought after for specific legacy workflows. Step 2: Use Terminal to Build the ISO
from Apple. Even though it's an older OS, Apple still hosts it. Mac App Store: You can find the official High Sierra link on the App Store
Open (found in /Applications/Utilities/ ) and run this command:
Before diving into the methods, it's important to understand the file you're looking for. The goal is to get a full installer for macOS High Sierra. You will primarily find two types of files:
If you have access to an older Mac that is officially compatible with High Sierra, you can download it directly: