fishrrn100 posted above about clicking on the mouse wheel, but that's too slow and cumbersome. I click on the my lucky list tab by clicking on the mouse wheel and my sweeps open in a new window. I then must click on each sweep with a mouse wheel click to get it to open in a new window.
I Googled <> <> windows 10 and RoboForm <> <> and found this Roboform site <> <> Using RoboForm With Microsoft Edge-RoboForm (the second on the list of sites). I followed the instructions and now have RoboForm on the Edge Browser and it works. The site says that you must have a Roboform everywhere account. I tried to copy and paste the info but couldn't, so you'll have to do your own search.
"Only those who will risk going too far can possibly find out how far one can go."
T. S. Eliot