Transfering music using windows 2000. I am tring to transfer music to this mp3 but un

Question

I am tring to transfer music to this mp3 but un successful......I have windows media player 9 series and I am running windows 2000. I downloaded the samsund media studio 5 but the portable device tab is not lightning up........how can I get music on this thing?

Cannot transfer mp3 files to my Sony mp3 player using Windows2000+media player9. Do you know of a download to do this?