In order to change the view type of the View,
Right click in the scene background for the View you want to change, then hover over View and select your view type. Another option is use the F keys to select the view type, F keys change the type of the currently selected view.
• Free Camera (F4)
• Right Orthographic View (F5)
• Left Orthographic View (F6)
• Front Orthographic View (F7)
• Back Orthographic View (F8)
• Top Orthographic View (F9)
• Bottom Orthographic View (F10)
• Focus (Space) Focuses on the selected object(s) in all view types.
• Projector: View from specified Projector