You can select more than one window to be on top. The windows remain on top of all other windows, except each other. Click Always on Top window to bring it to the front.
When you select additional Always on Top windows, you must click OK in the confirmation dialog shown below, and then close and reopen the module's window.
Note If the confirmation message is hidden behind an existing Window on Top, rearrange the windows so you can clear the message.
See also: