A printer includes a communication interface and a controller. The controller is configured to: in response to determining that an access condition is satisfied, acquire access information, access a server via the communication interface based on the acquired access information, and receive instruction data transmitted from the server, the instruction data being data indicating a process, the instruction data being configured to indicate data used in the printer; and in response to determining that the received instruction data is instruction data indicating a download setup process and that the received instruction data indicates setup data used for the download setup process, execute the download setup process, the download setup process being a process of downloading, via the communication interface, the setup data indicated in the instruction data and setting up the printer by using the downloaded setup data.