1) After expiration of license, you will see the below image.

2) To renew or purchase a license select the first radio button, you can access local reseller page of http://www.rapidform.com.
3) After you get a new activation code select the second or third radio button depending on your license type. If your license type is Virtual Dongle, select the second radio button; “I have received a renewal activation code and would like to reactivate rapidformXO Redesign now”. If your license type is Virtual Dongle with Local Network Sharing, select the third radio button; “I have the address of a floating license server, and I would like to use rapidformXO Redesign on this PC by checking out a license from the floating license server”.