An information processor, which is configured to be connected communicably with an image reader, includes a display unit, an image receiver configured to receive image data from the image reader, a storage controller configured to store the received image data into a first storage area that is assigned to the storage controller, an acceptor configured to, in response to the storage controller storing the received image data into the first storage area, accept a display instruction to display the received image data, a transfer unit configured to, in response to the acceptor accepting the display instruction, transfer the received image data from the first storage area into a second storage area different from the first storage area, and a display controller configured to display, on the display unit, the received image data stored in the second storage area that is assigned to the display controller.