You can NOT graduate unless all of the requirements listed on the degree audit are satisfied. In this situation, you should consult with your advisor . Your advisor can arrange for changes to be made to your audit if appropriate. Although you are not required to talk with your advisor before selecting courses, it is an excellent idea to do so, and will help to prevent unpleasant surprises at graduation time. Your degree audit is also a helpful guide for selecting courses.
Most courses are regular offerings.
We recommend using this web page to view the schedule since it is more current than the booklet, and also shows how many seats are left in each class. For any registration method, you will need the schedule number for each class you wish to register for. At the discretion of the instructor, you may be able to register for a course even if it is full. In general, yes, although you will need to be somewhat careful. In particular, at least 36 of the last 60 credits you take for your degree must be taken within the PSU system.