Xfinity is the brand name of Computer Definition Comcast for its cable TV, Internet and telephony services.
xfinity.com/authorize is a trade name of Comcast Cable Communications, LLC, a subsidiary of the Comcast Corporation, used to market consumer cable television, internet, telephone, and wireless services provided by the company.Anytime it is easier to manage your services online with XFINITY My Account. With XFINITY My Account you can spend more time so that you can enjoy your entertainment. visit here :
xfinity.com/activate ,Using the Xfinity My Account app and credit card or your bank account information,
xfinity.com/myaccount you can pay your bills and customize your WiFi network name and password, troubleshoot and personalize your devices.