Selecting one of those apps will take you to the app's page.

I cannot verify if this step is necessary since I had installed that upgrade. The trial suite can be upgraded to iWork 9.3 with a downloader available at Apple - Support - Downloads.It doesn't seem to be necessary any more - I had only launced one of the programs.) (This step was suggested by the instructions based on the 2014 article. Launch Pages, Numbers and Keynote, then quit each app.You now have an iWork 09 folder inside your Applications folder, containing trial versions of Pages, Numbers and Keynote.Install an old iWork suite (from your original installation medium, or use the iWork ’09 trial suite that can still be downloaded from Apple.If you lack these (either because you deleted them or never had them installed first hand) and never registered the purchase with your Apple ID, you need to work your way up through the missing years of upgrading, including the registration with your Apple ID to be offered an installation on any system that's older than the currently shipped Mojave: You need to have an old version of Pages, Keynote and Numbers installed in your Applications folder to be able to update them.