Key Metric Software makes the previous major version of Duplicate File Detective available for download as a courtesy to our customers. However, we strongly encourage our customers to upgrade to the current major version of Duplicate File Detective. When you upgrade, you get:

  • Access to the latest product features and functions (see what's new)
  • Support for the latest Microsoft operating systems
  • Minor releases for the current major version at no additional cost
  • Renewed technical support coverage

What's more, you can upgrade to the current version of Duplicate File Detective at a significant discount (vs. new license pricing). To get an upgrade price, just enter your existing version license key on our upgrade page. Upgrading is quick, easy, and immediate.

Download Duplicate File Detective 5
Please click here to download Duplicate File Detective version 5.1.57.

Please note: we currently do not offer downloads for Duplicate File Detective releases older than the previous major version.


  • 100% malware free
  • 100% spyware free
  • 100% adware free
  • 100% quality software