To authorize Xfinity on your laptop or desktop computer, begin by opening a web browser and navigating to xfinity.com/authorize. Sign in to your Xfinity account if prompted. Next, you may need to select the option to authorize your device. Follow the on-screen instructions to complete the authorization process. Once authorized, you'll gain access to Xfinity's streaming services on your computer. You can now enjoy watching your favorite shows and movies seamlessly. Remember to ensure a stable internet connection for uninterrupted streaming. With xinfity com authorize, accessing your favorite content on your laptop or desktop computer is quick and easy.