Type softwareupdate --list-full-installers to see available versions.

Below is a guide for the most likely interpretations of your request. 1. Downloading macOS 12 (Monterey)

To download the specific 2022 version (e.g., 12.6), type: softwareupdate --fetch-full-installer --full-installer-version 12.6 .

If you are looking for the "mac12" operating system (Monterey), you can download it directly from Apple or via the command line for a clean installation. : Open the App Store on your Mac. Search for "macOS Monterey" .