A processor is allowed to receive a request for downloading save data of a game, to check, in reference to a list containing an identifier that identifies the save data, an attribute indicating whether download of the save data is restricted, and a next downloadable time in association with one another, whether the save data has the attribute that indicates the download is restricted, to check, when the save data has the attribute that indicates the download is restricted, whether the request for downloading the save data was received at or after the time at which the save data becomes downloadable again, and to reject the request for downloading the save data and notify a user the next downloadable time when the request for downloading the save data was received before the time at which the save data becomes downloadable again.