If you store your i Tunes library, or back up your computer, on an external hard drive, consolidating libraries is easier.Plug the hard drive into the computer that will store the new i Tunes library.For ones that don't, you can redownload them onto the merged library for free.
This will move all your i Tunes media files, from wherever they are stored on your computer, to the i Tunes folder.
Thus, after you consolidated your i Tunes library, all your i Tunes contents will be stored in a single place.
The fine specifics of how to consolidate your i Tunes library may vary slightly depending on which operating system and version of i Tunes you’re running, but variances from the directions given below should be slight.
Not every household needs more than one computer running i Tunes.
Home Sharing does not transfer star ratings or play counts for music.