You should have an icon that looks like a speaker in the taskbar that's 2 or 3 icons to the left of the time and date. Click on that and you'll see a slider you can move left or right to decrease or increase your sound.
You should have an icon that looks like a speaker in the taskbar that's 2 or 3 icons to the left of the time and date. Click on that and you'll see a slider you can move left or right to decrease or increase your sound.