An information processing device configured to be connected with an image forming device includes a connection mode detecting unit detecting what kind of a connection mode is established between the information processing device and the image forming device, an operation mode setting unit setting one of a normal mode in which the image forming device performs the image forming operation without user certification and a secure mode in which the image forming device performs the image forming operation after successful user certification, as an operation mode in which the image forming device is controlled to perform an image forming operation, depending on the kind of the connection mode detected, and a driver installing unit installing a driver into the information processing device such that the driver controls the image forming device to perform the image forming operation in the mode set by the operation mode setting unit.