Software Update Notification Mac. Click on the Software Update option. Now select the box Install macOS updates.
These two commands will hide the update notification make sure you disable automatic update checking though as the next time it automatically checks for updates or the next time you open system update it will bring back the red dot and update notification. How to turn off software update notifications on a Mac running Mojave or Catalina 1. Click on Software Update.
Finally Click on the OK button.
Or click More info to see details about each update and select specific updates to install. Choose System Preferences from the Apple menu then click Software Update to check for updates. Or click the Apple menu icon on the menu bar and select System Preferences. How to turn off software update notifications on a Mac running Mojave or Catalina 1.