- Be sure java is installed on your computer and you have JRE 1.6. Mac users you must set this property as it seems OSX uses 1.5 by default. Search in Finder for Java Preferences.
- Download and unzip the application from here http://students.uwf.edu/brg4/iTunes DSM .1.zip
- Run MusicApp.jar by double clicking it.
- Open your iTunes music directory.
- Click Find Duplicates
DISCLAIMER: It goes without saying, I am not responsible for any damages to your music library. In my informal testing the program appears to function correctly, but as always make a backup of your data before using iTunes Duplicate Song Manager.