Can't find the "give remote control" option since latest update

Hi!

in the past few years i've been teaching English as a private tutor for a couple of children. While screen sharing the "remote control" access for my students has been a key element to allow more interaction for them while being able to click on my screen to play games and so.

However, since the last update I can't seem to find that option anywhere. Could somebody please tell me how to find this feature while screen sharing? It only gives me the option to give control during slides presentation, but it doesn't work either when he have tried using Powerpoint.

Thank you.