If I am an existing AT&T Worldnet member do I need new software to get this offer?
Yes, if you are an existing AT&T Worldnet member and a current residential AT&T Local and/or Long Distance customer, you can take advantage of this offer by calling 1-800-787-7400 to order a new AT&T Worldnet Unlimited Companion Offer CD to change your AT&T Worldnet Service price plan to this Offer. Installing this CD will not affect your account settings or e-mail IDs.