A display device includes a display configured to output a broadcast content or a content for an interior decoration function, a memory storing a first layout for surrounding the broadcast content and a second layout for surrounding the content for the interior decoration function, and a processor operatively connected to the display and the memory, wherein the processor removes the first layout, enlarges the broadcast content, and outputs the enlarged broadcast content through the display based on a first user input, and enlarges portions of the content for the interior decoration function and of the second layout and outputs the enlarged portions of the content for the interior decoration function and of the second layout through the display based on a second user input.