Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Your MacOS is MacOS Monterrey, the latest version of Office cannot be installed on that version of MacOS.
If you are not able to update your MacOS operating system, the last version of Office that will work on MacOS Monterrey is 16.88, that is available on the long table on this link to all the downloadable versions from the Microsoft servers.
https://learn.microsoft.com/en-us/officeupdates/update-history-office-for-mac