If you've decided to use an ISP as the connection option, use the following steps.
STEP 1- Set up a subscription with ISPKY.COM
STEP 2- Get your ISPKY.COM username and password and dial-up number.
STEP 3- Once you receive this information, you need to register for use on an ISP on screen via WebTV. You'll just select "Account" from the Web Home page and choose "Use an ISP" which will take you through step-by-step instructions.