If you have an iTunes account and want to delete duplicates, there are a few steps you can take.

  1. Open iTunes and click on the “Edit” button.
  2. In the " Duplicate items" section, select the items you want to delete and click on the “Delete” button.
  3. If you have more than one iTunes account, select the account that you want to delete duplicates from and click on the “Delete” button for that account only.