Thank you very much but now i have downloaded the codec software can I use it on the MPG4's that I have already downloaded in limewire they work fine there but what is the best way to burn them to DVD what do you have to convert them to? I have tried to convert them with WinAVI the video is great but no sound and i burn them with Nero after conversion can anyone help me.By the way what do i do with the codec to use them i have installed them Thanks