Albertossai wrote:
This update is not available for this Apple ID either because it was bought by a different user or the item was refunded or cancelled.
You do not say what exact Mac this is or what macOS you are currently running, or what you are trying to upgrade/update to?
So a game of Whack-O-Mole here we go—
Catalina not available for download
running Mojave 10.14.6.—trying to download Catalina, it is not showing up as a system update
From the Applications/Utilities/Terminal.app copy and paste:
sudo softwareupdate --reset-ignored
(please note your psswd will not echo on screen—type it in anyway to proceed)
relaunch System Preferences>Software update