To help make sure you've completed all the neccesary steps before you submit your application, and to give you the best possible chances of success, please follow the steps indicated below.
Q4. Have you written a coherent reseach proposal detailing your potential research?
Please note, there are only a limited number of cases where a research proposal is not required, and you should check this for certain with the academic department concerned. Please see here for a list of all departmental requirements.