Secure online registration (RegNow.com) DFMViewer registration
Unregistered version of DFMViewer can be used during 30 days after installation (although it doesn't expire, actually) and has some limitations (such as it can't edit and save forms).
Online Order:
You can order the fully licensed version of DFMViewer over the Internet from RegNow! or ShareIt! with any major credit card. The ordering page is on a secure server, ensuring that your confidential information remains confidential. As soon as I am notified that your order has been processed (usually in one business day), I will provide you with the serial number which will register your copy of DFMViewer.
Secure online registration (RegNow.com)
Secure online registration (ShareIt.com)