To Scroll the Contents of a Window
Windows often contain more information than you can see at one time. Use a window's scroll bar to bring the window's contents into view.
Press Tab to move to the window area you want to scroll.
Press the arrow keys, or Prev and Next, or Page Up and Page Down.
Hold down Control while you press an arrow key to scroll faster.
To use a slider:
Press Tab or an arrow key to move the highlight to the slider.
Press Up Arrow or Down Arrow to move the slider.
Hold down Control while you press an arrow key to move the slider faster.