Provided is technology by which an information processing device having an OS standard printing program installed therein causes a printer to perform collate printing without applying a load to the printer. In a case where a print instruction that causes a printer to execute printing of an image is output from an editing application to a general-purpose print program installed in an OS to cause the printer to execute collate printing in a job based on the print instruction an auxiliary program causes a CPU of a PC to acquire print data of one copy rasterized based on the image having the plurality of pages, and to cause the PC to transmit the acquired print data of the one copy to the printer as a transmission destination one copy by one copy over the N copies.