An image forming apparatus is provided that receives data for an authentication print job from an external terminal connected thereto via a network, receives a user authentication request from a user, and executes the job when the user authentication is successfully performed. The image forming apparatus comprises: a display unit; and a display control unit displaying information related to an amount of time expected to be required for the execution of the job on the display unit when the user authentication is successfully performed prior to completion of the reception of the data for the job.