Comcast offers self installation for many of its Xfinity customers. Here's how you can quickly set up your X1 box and activate your cable service.

You can watch Xfinity Stream and get access to dozens of free channels, all without renting anything ...

Be aware that many Xfinity Stream features will not work with third-party devices. You will not be able to navigate using the Xfinity Voice Remote, order Pay Per View events, or access Xfinity apps.

If you are getting up and running with Comcast's latest Xfinity X1 cable box, there are some settings to look at before you can kick back and bask in the glow of your new cable service.