Instruction
1
While when listening to in any application it is necessary to turn or you can just call the panel "start-up" (hover mouse cursor or by pressing the keyboard with a picture of the Windows logo on it).
2
Move the cursor to the right part of the panel "start". There should be a volume icon (a speaker).
3
Click once with the left mouse button on this icon.
4
The movement appeared roller up or down to adjust the volume to the desired level.