An information processing system includes an information processing apparatus that provides an electronic apparatus with a service by way of a web application. The system includes a memory and circuit. The memory is configured to store information relating to a setting item of the web application, and store a setting value to be set to the setting item. The circuitry is configured to generate a setting screen based on the information relating to the setting item and the setting value, and update the setting value stored in the memory based on an instruction for configuring settings relating to an operation screen of the web application that is displayed at the electronic apparatus, the instruction being accepted through the setting screen being displayed to the terminal apparatus.