Open new windows in tabs in DT3?

Hi, three, four, or five-finger swipe down nothing changes on my screen. Three or four-finger swipe up does uncover app windows. At least in my case when I regularly have let’s say 20 rtf DTPO files and 5 DTPO databases opened simultaneously, it can hardly compare with the DTP version 2 window tabs option. In another words, my screen is quite cluttered and in disarray without it…