Showing, Hiding, and Revealing the Filters Pane
Change the width of the Filters pane by dragging the vertical divider to the desired width.
Minimize the Filters pane to a narrow sidebar by clicking the Minimize icon
Restore it by clicking the icon again.
When the Filter pane is minimized, mouse over the sidebar to reveal the Filters pane and choose a new filter.
Your preferred layout for each Filters pane will be stored when you save your preferences.