We provide free trial versions for most of the products to help users get a clear idea before a purchase. You can go to our official website to download our program to start the evaluation. In general, most trial versions have very few functional differences from the registered versions. We provide trial versions with different restrictions on different products. After you place an order successfully, we will provide registration code to remove the limitations of the trial version. If you want to remove the watermark in the output video, you need to load the source video to the full version to convert it again.