Search function

There is, but is just basic keyword search on the title and nothing more than that. https://lesterchan.net/site/downloads/ (bottom)

How does one add that search feature to the table/template then?

Ah, ok, I found it but it keeps returning a 404 page not found…

Did you create a download page? https://www.ads-software.com/plugins/wp-downloadmanager/installation/ (scroll down) and update WP-Admin -> Download -> Download Options with the page URL?

Thanks, I have done that now but the search page yields no results.

Ah had to to put [page_download] on the page…. sorry, got it now!