In turn, other people share theirs. The napster server computer keeps track of who has which files. You can search the huge napster server list of files for specific mp3's. Once you find one, you double click to download it. You are connect directly with the person who has the file.
Setup is rather easy.
After starting napster, it with automatically log you into a server. You can then use the 'search' function to search for files. Napster Fix Getting unbanned from napster. Searching With Napster . How to search with Napster.