How do i find volume control thing that's usually on the bottom right hand corner of the tool bar?

it disappeared and i wanna turn the volume down, how do i get it back?!How do i find volume control thing that's usually on the bottom right hand corner of the tool bar?
Go to Start - Control Panel - Sounds, Speech, %26amp; Audio Devices - Sounds and Audio DevicesHow do i find volume control thing that's usually on the bottom right hand corner of the tool bar?
Right click on empty space on taskbar,on menu that appears,click properties,on window that appears,click notificaion area then put a tick in the box next to volume,apply and ok.