Download Monterey, Big Sur, Catalina, or Mojave from a macOS Catalina or Big Sur Mac with softwareupdate –fetch-full-installer
With the release macOS 11 Big Sur & 10.15 Catalina we got a much needed new option added to the softwareupdate binary. We can now download full installers!
To get more information you can just run the softwareupdate command from terminal.app and it will give you a quick overview of all the options.
softwareupdate --fetch-full-installer– this command will download the newest version of Monterey.
softwareupdate --fetch-full-installer --full-installer-version– This sub option will allow you to download specific versions.
- An example of this would be 10.14.6.
- An example of this command is
- softwareupdate --fetch-full-installer --full-installer-version 10.14.6
When the download is complete the macOS Installer app will be in /Applications