Support XFINITY Internet Optimize Your Windows XP Connection


Learn how to use our Comcast TCP Optimizer.

Optimize now

Designed for Windows XP, our free, easy-to-use Comcast TCP Optimizer enhances your computer’s connection to the Internet by modifying your network settings. Newer operating systems such as Windows 7 and Mac OS X already come optimized.


You may be prompted to install a Microsoft Active X control the first time you install our tool. You’ll also need to restart your computer to accept changes.


Optimize Now!

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