: If the App Store link fails, Apple provides a direct download for the installer package via Apple Support
As of October 2023, Apple has discontinued all support. Do not use High Sierra for online banking or sensitive data without a firewall and modern third-party antivirus (e.g., Malwarebytes for Mac). download+macos+high+sierra+10136+dmg+mac+install
Enter your administrator password when prompted (the characters will not show on screen, which is normal). : If the App Store link fails, Apple
TECH-2026-04-19-01 Query Analysis: download+macos+high+sierra+10136+dmg+mac+install download+macos+high+sierra+10136+dmg+mac+install
: A practical guide for preparing your Mac for the upgrade, including backup tips.
: The download will begin, saving a file named Install macOS High Sierra.app to your Applications folder.
This is the simplest way to install macOS High Sierra on the Mac you are currently using.