Your certificate entitles you to activate your subscription to the Sun Developer Software edition listed on your entitlement certificate card. There is nothing for you to buy, but you must activate the subscription to receive your software. You may need to pay any applicable taxes or duties.
Membership is free.
Login to Sun's E-Commerce system, and activate your subscription using the serial number on your entitlement card. Then follow the instructions above. One subscription per customer. This program is only available over the web to registered individual members of the Sun Developer Connection program. Orders will not be taken by telephone.