Lost your prism video converter in a computer crash? Do This! Download the trial version. Click the prism video converter icon on your desktop or click prism video converter in your start menu. In the top left corner of the converter click file. Go down to register software pick #3 fill in the information just as you did when you bought the software . Click ok you will get a box on top of the software asking you to save now or later. DO IT NOW! Click ok. Thats it your registered again!