designated file....

Ok First please keep in mind I don't know whole lot about computers, so please keep ur answers in simple easy to understand terms....anyway...I installed LW onto my new laptop and it works fine no issues except I dont know how to get the music files to download directly into a "new folder" that I created to easily locate instead of opening several folders just to find the music library. How do i change it so the library downloads into the "new folder" so it is then easier for me to up load to my MP3 player later??