If you want to prepare this installer for a specific project, let me know:
After installing macOS High Sierra, you will have the version that came with your installer (e.g., 10.13 or 10.13.1). To get to the final version, you need to install the combo update.
Downloading requires specific methods depending on your current hardware, as Apple has officially moved this version to its legacy support category. Official Download Methods
What is the of the computer you want to install it on?
Once completed, look inside your folder for the High Sierra installer app. Method 3: Converting the App Installer to a DMG File
Apple still hosts macOS High Sierra on its servers, but it is hidden from standard App Store searches. You must use a direct link to open the hidden download page. Step 1: Open the Mac App Store Link
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/HighSierraUSB Use code with caution. Press .
The "Install macOS High Sierra.app" will be downloaded into your /Applications folder. 2. Converting Installer to DMG
If the App Store method fails or you are on a newer Mac and want to download the installer for a different machine, you can use the softwareupdate command in Terminal (available on macOS Catalina and later). Open .
The installer will be saved directly to your folder. How to Create a Bootable USB Installer