
What I tried next was to use the third-party python script that downloads the various packages directly from Apple's servers and assembles them into the installer app.

I got the same "Update not found" error message as with the other methods. I then tried using Terminal and the softwareupdate command: sudo softwareupdate -d -fetch-full-installer -full-installer-version 11.0.1 Using a clean install of macOS Big Sur and then attempting to download the macOS Big Sur installer on the running occurrence of it, I was unable to do it using the methods described in the answers by bmike and Nimesh Neema in this thread.

How can I get ahold of the installer file? I'm finding that since this Mac is already upgraded, I can't download it again. Macintosh, however, Apple is advising users who need standalone updaters to contact them in an "official capacity," although it's not exactly clear what that means.How can I download the macOS Big Sur installer on a Mac which is already running Big Sur? Standalone packages are useful for administrators who want to update multiple Macs with the same 12GB download, especially given that delta and combo packages come in smaller sizes since they include only the files needed for that particular update.Īccording to Mr.

Macintosh and shared by The Eclectic Light Company, Apple hasn't released a standalone updater for macOS 11.1 or 11.0.1, despite providing standalone packages for macOS Catalina and Mojave security updates on December 16. Apple appears to have ended its tradition of making standalone updater versions of macOS available to all users, beginning with macOS Big Sur.Īpple offers its macOS updates through the Software Update pane in System Preferences, but it usually also lets users download the same updates as standalone installation packages, made available on Apple's downloads website.
