Be sure to save your username and password as you will need them to get on the Internet. Then install the software on your computer from the floppy. The software will walk you through choosing an access number and connecting to the Internet. Detailed instructions can be found on their site. Install the software and follow onscreen instructions for sign-up and registration.
Detailed help is available at their site.
Allow 2 weeks for delivery. I have only installed and used AltaVista and NetZero, but there are many others from which to choose. First, be sure the ISP has a local access number. Many have access numbers in Fayetteville and some also have Bentonville access numbers. Then check the details of the service arrangement.