A display control apparatus capable of controlling display of images on a first display, obtains display area information indicating a size of a display area of the first display for displaying a second image generated at an external apparatus, transmits to the external apparatus resolution information indicating a resolution of image data that matches the size of the display area of the first display, receives from the external apparatus second image data having the resolution that matches the size of the display area of the first display, the second image data being generated at the external apparatus based on the second image, and controls the first display to display the second image in the display area based on the second image data received from the external apparatus.