Launch the Xfinity app or scan the QR code and sign in using your Xfinity ID and password. You must be the Primary, a Member, or a Manager to access. Select Get Started to begin the …

Follow our step-by-step instructions to set up your cable modem with Comcast Xfinity. Ensure a seamless setup process for optimal Internet connectivity and performance with Xfinity services.

When installing a new cable modem for the first time, it is required to activate the cable modem for Internet access. This document contains the follow sections:

Jul 7, 2025 · How do I activate my Internet service with Comcast XFINITY? Before you start the self-activation process, make sure to collect your account number, account phone number, …

Information on how to set up XFINITY Internet and Voice features, such as online security and XFINITY voicemail, is available in your User Guide in your red XFINITY folder.

Setting up your Xfinity Gateway doesn’t have to be complicated. In this video, we walk you through the entire process—from unboxing your xFi Gateway to activating it and connecting …

Dec 24, 2023 · In this step-by-step guide, we will walk you through the process of activating your Comcast modem without using the app. Whether you prefer a different method or simply want …

We’ll show you step-by-step instructions to activate your WiFi Gateway, name your network, set up Advanced Security, and get the most from Xfinity. Keep the WiFi Gateway in an open …

First turn off and unplug all existing routers and modems. Turn off the computer that will be used to activate the device. It is recommended to use an Ethernet cable instead of a wireless …

Visit the Xfinity activation website (xfinity.com/activate) on a computer or mobile device. Follow the on-screen instructions, which will include entering your account information and possibly …