Try it. Move your Steam window around. See how it snaps to the edges of your display(s)?
Why is Steam the only program (I know) that does that natively? I would love for ALL my Windows programs to do that (without installing 3rd party softwares/scripting).
EDIT : I’m on Win10.
There’s an old program called allSnap that would do this to almost every application, dunno if it still works on newer versions of Windows or not though…
https://github.com/iheckman/allsnap
It’s a native feature in W11 now.
Okay. Including screen centered app snapping?