Information processing apparatus and control method

The invention relates to an information processing apparatus and a control method, which appropriately control display when switching a screen mode having at least a dual screen mode. An information processing apparatus switches between a first display mode in which a screen area of one foldable display is used as one display area, and a second display mode in which the screen area is divided into two display areas, i.e., a first display area and a second display area. When switching from the first display mode to the second display mode, a first window having the highest display priority among applications being executed in the first display mode is displayed in the first display area, and a thumbnail image corresponding to a second window other than the first window is displayed in the second display area. Furthermore, if all windows of the application being executed are not displayed in the first display mode before switching to the second display mode, the information processing apparatus causes any one o