In the event your admin has provided you permission to install updates, the Microsoft AutoUpdate makes absolutely sure your duplicate of Office will always be up-to-date with the most up-to-date security fixes and enhancements. To install or check for updates in your Mac, see Check for Office for Mac updates https://microsoft-office-202187520.digiblogbox.com/52241860/everything-about-microsoft-office-2021-premium-license-for-3-devices