1.Download and install FlashRip Full version

2.Launch FlashRip(Full version)

3.Select the "MP3 High Quality(160 Kbps)" format from list.

4.Open "www.youtube.com", and copy the video's URL(Link):

http://www.youtube.com/watch?v=RJp2nM2H_Gc

5.Select "Files -> Enter URL to Rip", paste the youtube video's URL to exitbox

6.Click the <OK> button, FlashRip start to rip the video.

7.After ripping video, FlashRip start to convert the local video file to MP3.