How to Get Album Artwork for iTunes
Adding music to your iTunes library is only the first step in keeping your collection organized. Make sure tracks in your iTunes library have accurate details like musical artist name, album title and musical genre. You can also allow iTunes to retrieve album artwork for music in your library. This helps make your library easier to navigate and gives your collection a more complete feel.
Open the "Store" menu at the top of the program interface.
Click "Sign In" from the drop-down menu.
Enter your Apple ID and password into the sign in dialog when it appears. Then click the "Sign In" button to log in to your account.
Click the "Advanced" menu at the top of the iTunes window.
Click the "Get Album Artwork" option from the menu. A confirmation box pops up. Click the "Get Album Artwork" button. ITunes gathers information about your library and downloads your missing album artwork.