Learn more about activating your Xfinity Gateway or an approved customer-owned third-party modem using the Xfinity app.

This video will show you how to hook up and set up a new Xfinity xFi Gateway Modem (XB7), the 3rd generation of xFi Gateway Modems.

Oct 29, 2025 · Skip the technician appointment! Follow our easy Xfinity self-install guide to get your Wi-Fi up and running fast.

Self-install your Xfinity WiFi without technician visits. Follow our expert guide covering proper setup, smooth system activation, and network configuration.

No matter which service (s) you are self-installing, you can learn how to set up, connect and activate your service (s) all in a few easy steps using the links below.

Sep 23, 2024 · Need help setting up your Xfinity internet service? Follow our step-by-step guide to learn how to self-install your gateway, modem, and router.

Aug 15, 2024 · Whether setting up a new internet connection or replacing your router with a new one, getting your Xfinity modem up and running is the first step toward a better Wi-Fi signal and a reliable...

In this video, we walk you through the entire process—from unboxing your xFi Gateway to activating it and connecting your devices to WiFi. Whether you’re moving into a new home or replacing an old...

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.

Get assistance for your Xfinity; self-install kit, as well as instructions for self service activation, installation help, troubleshooting, and much more!