The accountants changed the subscription base to a monthly paid service ,last year if memory serves. If you work for a large company you can see if they are registered for the
Home use programme ,though even this has changed recently from a small amount for a download of the install DVD with free updates to
only a discount on the full monthly subscription price
https://www.microsoft.com/en-gb/home-use-program/resources
If you do require Microsoft office but are able to work with an older version say 2016, there are still licensed single PC installs available.
As with all Microsoft software there are varying versions of Office with more apps the more is paid in subscriptions