Hi @ArupDas445 Courses must have a minimum of five lectures and at least thirty minutes of video content. For steps on how to create and publish a lecture, please refer to this article. Free courses can only be a maximum of 2 hours in video length. The Udemy Course Quality Checklist can be accessed here. This support article has more information: https://support.udemy.com/hc/en-us/articles/229604328-Calculating-Course-Length
... View more