You just need to provide your Comcast
XFINITY account information.
To access it, you'll first need to visit the Comcast
XFINITY My Account page and sign in with your Comcast account details.
Download the app and sign into it with your Comcast
XFINITY account details.
Not exact matches
To do that, you need only to download the
Xfinity TV app beta to your Roku device, connect your
account, and you'll be good to go.