Do not use third-party file-sharing websites or unofficial repositories, as these files can be modified with malicious code. Use one of the two official acquisition methods below. Using macOS High Sierra in 2025
If you don’t own a Mac, you cannot legally download macOS from Apple’s servers. However, if you have an and access to a friend’s Mac or a rented Mac cloud service (e.g., MacStadium), use Method 1, then transfer the .app file. macos high sierra free download iso
(This works on macOS Mojave and later)
A: Historically, Apple maintains download links for about 3-4 major versions behind. High Sierra is aging, so download it now before it’s removed. Do not use third-party file-sharing websites or unofficial
Rename the file (the previous command adds .cdr ) However, if you have an and access to
: On Macs running macOS Catalina or later, you can use the command: softwareupdate --fetch-full-installer --full-installer-version 10.13.6 . Creating an ISO from the Installer
The official way to obtain macOS High Sierra (10.13) is to download the genuine installation assets directly from Apple servers. Apple does not natively distribute macOS as an ISO image file. Instead, Apple provides a standard .app installer package designed for the Mac environment.