Help with Comcast Internet, XFINITY Internet Support

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Check your Comcast email Get EasySolve Download security software Check your speed XFINITY Wireless Gateway Home Networking 101

Getting Started

Set up XFINITY Internet on Windows

Set up your XFINITY Internet on your Windows computer and find the appropriate connection settings.

Set up XFINITY Internet on Mac OS X

Configure your Mac OS X settings to work with the XFINITY Internet service.

Download the user guide for your area

The XFINITY Internet user guides have specific information about products and services offered in your area. If you're not signed in, you will be asked to give us your address.

How to secure your home wireless network

Learn how to keep your home wireless network safe from intruders.

Problem-Solving

Troubleshoot your Internet connection

Figure out why your Internet connection is slow or having issues and learn how to make the most of your XFINITY Internet experience.

Forgot your User Name?

If you're having trouble remembering your Comcast user name, you can use our tool to look it up.

Help with signing in to your Internet account

If you're not sure where to look to sign in to your Internet account, we'll show you.

Beyond the Basics

Set up email using Outlook Express for Windows

Set up your Outlook Express for email using your Comcast ID and password or learn how to run a one-click fix that will set up Outlook Express for you.

Set up email using Mail on Mac OS X

Set up Mail on your Mac OS X using your Comcast ID and password.

XFINITY supported wireless routers

Comcast supports a number of devices in your home, including stand-alone routers and a combined modem and router, commonly called a Gateway. Find the access information for your devices and how to reset them to the factory defaults.

XFINITY supported modems

Before purchasing a modem of your own, check our list of supported modems to ensure your modem will work properly with your XFINITY Internet service.

Use a firewall to protect yourself from viruses

Protect your computer from worms, viruses, and other intruders by using a firewall. Constant Guard also helps to ensure your online safety at no additional cost and including firewall protection.

Get help with computer problems

XFINITY Signature Support offers 24/7/365 access to affordable, expert tech support for help with PC tune-ups, wireless networking, online security, virus removal and more.

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