This video focuses on how Steam works to connect players with games they are likely to enjoy. Learn about the discovery mechanisms at work behind the scenes …
You can download an English PDF of the presentation here: https://steamcdn-a.akamaihd.net/steamcommunity/public/images/steamworks_docs/english/SteamVisibility102023.pdf
While I am watching this video, I want to appreciate the section talking about demystifying questions people and developers have about what has an influence to get visibility. One thing in particular, the Review Score from players have no* impact on the visibility (* although the exception are exceptional bad rated games, which is fair).
And it's not possible to buy a place or advertisement on the Steam store. That's very important note.