We are providing our software for your trial. You can download the software from your site directly and see that it works or not. We dont believe in taking money without customer satisfaction. Once you try the software and you see that it works then you can easily buy the software from the cart link in the demo software itself.
You just have to select the specific videos files from the demo version and you will be able to see the preview of the converted files. Once you are satisfied clik on the cart button and you can register you copy of software License.
Let's Have a brief look how MP4 Recovery Tool works