I'm assuming you're using Itunes as your default player. What you first need to do is open limewire, open the 'Tools' bar, and click on options. On the left side of the list, click on 'player' and there should be a box that says "use limewire as the default media player" or something like that. Un-check the box, and click okay. Now, go to the songs you've downloaded, and you should be able to double click the song title and ITunes will automatically open and add the songs to your library. Do this for all the songs you've downloaded through ITunes. As another hint, click on one song (on the library tab in Limewire) and then hold CONTROL and click A, it will highlight all the songs, at the bottom it should say LAUNCH, click that and all you songs will be uploaded into ITunes. Also in limewire, on the main screen when the song is downloaded 100%, you can double click the song and it will add to ITunes, so you won't have to go through the library tab every time. Have a good time!!!