I'm not sure if I understood your message. The link you pasted is pointing to the Questions topics, is this page that you want to setup?
This page explains how the topics works. Basically you must go to Questions -> topics and you'll be show all topics as we have here in answers.
Hi team, I’m Avinoam, a product manager on Confluence Cloud, and today I’m really excited to let the Community know that all customers can now try out the new editing experience and see some of the ...
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