Settings in SOLIDWORKS can be divided into global and local ones. By global I mean the settings in the system options, that concern the entire program and not a specific document.
Such settings belong displaying tangible edges. Such edges will be visible everywhere between adjacent walls. Long ago, when I studied technical drawing in college, Of course, such edges were not drawn on paper. Ale co innego w programach 3D – po prostu te krawędzie są zawsze, we can only show them or not.
So option number one is a global change in the default display mode in the system options > Drawings > display style.
Local option, and even more than the local one because not about the whole document but the view, This is a change under the right mouse button.

