A communication device includes a first communicator, a second communicator, an identifier acquirer, an identifier transmitter, a communication program acquirer, and a communication program executor. The first communicator communicates with a device. The second communicator communicates with a server. The identifier acquirer acquires from the device via the first communicator an identifier for identifying the device. The identifier transmitter transmits to the server the identifier acquired by the identifier acquirer. The communication program acquirer acquires from the server via the second communicator the communication program associated with the identifier transmitted by the identifier transmitter. The communication program executor executes the communication program acquired by the communication program acquirer.