A: Please see the attached video to help guide you through the process. Please remember that there are hundreds of door manufacturers, all making four or five door models each, so you need to be prepared for the possibility that you may encounter some small variations from our step-by-step instructions. If you need further assistance, feel free to call in to Prime-Line Products’ Customer Service Line where they will be more than happy to assist you and answer any other questions you may have... they can be reached at (800) 649-9740, or at info@prime-lline-products.com