You can choose precisely what Window, tab or screen you wish to share while using the Browser or the Windows app. To do this:
Connect to the sessions from your supported browser-->Present (Remember to select the share audio option if audio is wanted)
Windows DisplayNote App:
Using the Windows Displaynote App (v2.26+), you can now select which screen, tab or Window you would like to share. Simply follow the instructions after pressing 'Share my screen' to choose what exactly you want to share.
Please remember to enable the audio check box if you would like to share audio and video
Please note that touchback controls are only available when sharing your entire screen.