Important Warning: Apple no longer signs older versions of macOS (like High Sierra) for standard installation. While you can download the files for legacy hardware or specific recovery needs, you should only get them from Apple’s official servers (via the softwareupdate terminal command or the App Store) or from a trusted backup. Third-party ISO/DMG sites often bundle malware.
Apple provides a direct download link for macOS High Sierra on its website. Here's how: download macos high sierra 1013 iso and dmg upd
The safest way to get macOS High Sierra is through official Apple sources. Important Warning: Apple no longer signs older versions
Terminal Method: On macOS Catalina or later, you can download it via Terminal using:softwareupdate --fetch-full-installer --full-installer-version 10.13.6. download macos high sierra 1013 iso and dmg upd