Downloading the installer is useless if you don't prepare it correctly. You cannot simply drag the app into a USB drive. You must use Terminal.
Prerequisites:
The Command (Exclusive Terminal Script): Open Terminal and paste this exactly: download+macos+high+sierra+10136+exclusive
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
What to expect:
Once complete, you have an exclusive, never-expiring USB installer.
Let’s be honest. Most users have moved on to macOS Ventura, Sonoma, or even the latest Sequoia. So why the obsession with a 2017 operating system? After spending a week tracking down an exclusive direct download of 10.13.6, I have three answers: Downloading the installer is useless if you don't
Before you proceed with the download and installation, ensure your Mac meets the system requirements for macOS High Sierra: