Double-click on the My Computer icon on your desktop.
Double-click the Dial-Up Networking icon.
If you get the window below, then you have never configured Dial-up Networking before. Click OK.
Under Name the new phonebook entry, type in your ISP name. Leave a check-mark out of I know all about phonebook entries and would rather edit the properties directly and click Next.
Put a check-mark next to I am calling the Internet. Click Next.
Enter the local phone access number for you area. Leave out the check-mark next to Use Telephony dialing properties. Click Next.