This picture shows how I'd like to get my windows displayed:


:

CAD 2015

3DExperience manages the app windows (widgets) by grouping them in tabs. You can tile the windows within a tab, but you can't tile the tabs. So, what you need to do, is to group your windows into a single tab.

There is a preferences setting to open new widgets each in a new tab, and I think it is On by default. If you clear this setting, the process will become easier. You can right-click on the tab and select "Widget Layout Preferences" to get to this setting quickly.

If you don't clear the setting but you want to tile the windows anyway, you can click and drag the window frame of one window, out of its tab, and into another tab.

Once you have multiple windows within a single tab, the tiling options become available.

-Mark

Mark,
Thanks for your reply.
I've followed your suggestion:






But I still can't get the two windows tiled:



Where I was wrong?.....

CAD 2015

I think, you can click and drag the window frame of one window, out of its tab, and into another tab.

It worked!
Thank you MarkF!

CAD 2015