1. Scroll in de channel list or click on the top channels.
2.Click on your channel
3. If you see in the stream (Click here To unmute) or (x).
Click on maby more times for sound / arrow.
4. Move the mouse to the bottom right to activate soun / arrow.
5.Remove emerging tabs.,also in the task bar if there is browser logo.
6.Remove the pop-ups under the browser Click on (x)