Duplicate Cleaner is free a tool to assist in cleaning up the contents of their personal hard drive or network. You'd be surprised just how many duplicate files you could find forgotten in an obscure documents folder. Photos, music, Word documents, PowerPoint presentations, videos - you name it, if it appears twice on your system then Duplicate Cleaner will find it.
What's new in this version:
Version 3.0.1 adds manual with contextual help buttons, adds signed installer with Windows 8 support.