In addition to the installation manual provided, we also offer installation video which you can view on our website. If needed, we can send it to you. If you still have trouble with the installation, you do not have to work it out alone, we can help. Please do not hesitate to contact us. We have experts to offer you online guidance. We ensure the quality of our products and support you with delivery, installation, and maintenance. That is the service at Atop!