The difference is that the other tools then immediately perform the installation so that you get the installer application in the /Applications folder. How is this different than softwareupdate or installinstallmacOS.pyĪs far as I can tell, this downloads the same pkg as softwareupdate -fetch-full-installer and installinstallmacOS.py. Will you update this so it can download older versions? Earlier versions of the Big Sur installer are removed regularly. Apple only provides installer pkgs for Big Sur and later. Can this download older versions of the macOS installer application? I used this as a project to learn more about SwiftUI. Not really, other than it is a UI app and written in Swift and SwiftUI instead of a command line script written in python. Questions Is this different than the fetch-installer-pkg script? ExtrasĬopy the download URL for a given installer pkg from the context menu.Ĭhange the seed program in the Preferences window. I have described the problem and some solutions in detail in this blog post. Since the Big Sur macOS installer application contains a single file larger than 8GB, normal packaging tools will fail.

You may want to download the installer pkg instead of the installer application directly, because you want to re-deploy the installer application with a management system, such as Jamf. You can then choose to download one of them.

It will list the full macOS Big Sur (and later) installer pkgs available for download in Apple's software update catalogs. This is a Swift UI implementation of my fetch-installer-pkg script.

Big sur 11.6 installer