Step 2 -
Click "Start" button on bottom of main
interface to start converting.
you click "Start" button, you would be prompted by a window that allows you to
select the output format, such as AVI, MPEG, WMV, RM or MP3, change the video
quality of output video and the ouput directory.
select "Convert to MP3" item, and then click "OK" button to
start your converting.