Show Volume:
The "Show Volume" toolbar plug-in can be accessed by selecting the following icon on the left side of your charts screen:
Show Volume- Enabling this feature displays a bar chart on the x-axis of your charts screen, where it size is dependent on the amount of volume per candle (time-frames are interchangeable).
Volume Settings... - Select this link to redirect you to the volume chart settings where further settings are applicable, such as volume height.