open windows media player, then at the top of the screen click on tools. After that opens into a folder,find the library folder and click on that. After that opens, theres a box that says monitor folders, click on that and choose your limewire folder. And if that doesnt suite you, you can also while your in the main folder click on file types folder. Make sure that windows is your default player for the music type of files you want to open with it. Also if when in your limewire folder, if you click on the file you want to play, it should give you the option of open with:, then choose windows media player.