Spent the day setting up steam achievements. I had to collect information from a few places so decided to condense all the major steps to a single place.
The first thing to know is that you don’t need plugins - the whole process is quite simple. Checklist of steps is here:
Bulk of the information came from these videos:
This first video covers a lot of extra stuff related to multiplayer but if you want a quick guide on setting up steam using the SDK this is it
[UE5 - BP] From Unreal To Steam - Steam Multiplayer #UE5.1 #UE5.2 #UE5.3 (youtube.com)
[UE5 - BP] Steam Achievements #UE5 #UE5.3 (youtube.com)
I am not affiliated with those videos