More of what you want with lightning-fast download speeds
Set up your XFINITY Internet on your Windows computer and find the appropriate connection settings.
Configure your Mac OS X settings to work with the XFINITY Internet service.
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.
Learn how to keep your home wireless network safe from intruders.
Figure out why your Internet connection is slow or having issues and learn how to make the most of your XFINITY Internet experience.
If you're having trouble remembering your Comcast user name, you can use our tool to look it up.
If you're not sure where to look to sign in to your Internet account, we'll show you.
Learn how to set up email client programs for XFINITY email.
Learn more about excessive use of data.
Did you know that XFINITY Internet customers can download the Norton Security Suite anti-virus software? Learn how to download Norton security software from Comcast.
Explore the help & support forums.
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