Was released How to Delete Duplicate Songs v.3.90

Differences, related to previous versions:

• Support of most widely spreaded archive formats. Now How to Delete Duplicate Songs will be able to process archives content or, according to user settings, sort archives using their internal content and properties.
• Appended functionality to the panel with realtime information.
• Appended playlists to Image and Media previewers.
• Increased speed of file processing engine.

Last product version may be  purchased in our online store. All registered How to Delete Duplicate Songs users can get it for free.