how to see my mp3 om my c250 from my new computer?

hi all,

new here, i’m having a problem seeing the mp3’s on my c250 with my new computer with wmp11, i used my old puter months ago to put in some mp3’s but now i can’t manage them on my new puter.

other than removing wmp11, managing the files on my sansa, then reinstalling wmp11

what can i do, is there a better way?