|text3=An arrow will then appear so that you can indicate in which direction you would like to join the windows. As you move your mouse from the left window to right window, the arrow will change directions.
Join the windows in either direction for now.
Joining to the left means that the window on the left will be erased, while joining to the right means that the window on the right will be erased. Keep this in mind when joining different window types.