A computer program stored in a computer-readable storage medium includes executing operations for providing a content processing method when executed on one or more processors in a computing device The operations can include an operation of displaying a first screen including a project-involved object for receiving a selection input for a project, and an operation of displaying a second screen for displaying a project execution step corresponding to the selected project. The second screen may include a navigation area including a step selection object for receiving a selection input for the project execution step and a project execution area for content processing corresponding to the project execution step.