To convert one video to another format, you can follow the steps below:
1. Go to the Convert tab, add the video into the software using the Add Files button.
2. Select an output format from the Output Format list on the right side of the interface. Alternatively, you can click Settings to set the parameters
3. Click Convert to start the conversion process.
4. After the conversion has finished. You can click Open Folder to open the folder containing the created file.
Here is the video guide http://youtu.be/dQqmK3GSuzA