Webat&t fiber installation may require a technician to come to your home, even if you already have other at&t services. Fiber services require different types of cable and equipment,. Webfiber is easy to set up. Your time is valuable. Webswitch to at&t fiber with no cancellation fee. Looking for fiber optic internet near you? Check at&t fiber availability, compare plans and learn more about our best internet. It takes four to six hours to install at&t fiber. This may include replacing existing copper wiring with new fiber lines to provide you with our best. Webwant to know what is involved in a residential fiber install? I just installed the 1000 fiber package from at&t. Here are some other video.