System and method for performing service registration processing in response to access request from client terminal

A method of controlling a system including a printing apparatus, an information processing apparatus on which software for using a function of the printing apparatus is installed, and a server system, the method comprising:

• an outputting step of causing the printing apparatus to output identification information on the printing apparatus;
• a transmitting step of causing the information processing apparatus to transmit the identification information on the printing apparatus obtained from the printing apparatus based on acceptance of an instruction for receiving a first service through a screen provided by the software;
• a display controlling step of causing the information processing apparatus to perform display control of the information processing apparatus;
• a confirming step of causing the server system to execute processing for confirmation as to whether or not the printing apparatus identified by the identification information on the printing apparatus transmitted from the information processing apparatus is registered for a second service being different from the first service;
• and
• a providing step of causing the server system to provide data for displaying an item for the second service in a case where the printing apparatus is not registered for the second service, wherein
• an item for registering the printing apparatus for the second service is displayed on a display unit of the information processing apparatus based on the provided data in the display controlling step.