Duplicate Cleaner 4.0.5 offers a range of features that make it an essential tool for anyone looking to manage their duplicate files. Some of the key features include:

Software evolves, and Duplicate Cleaner has moved on to newer versions. While version 4.0.5 is now considered legacy software, users with valid version 4 licenses could upgrade to version 5 for free if they purchased within a certain period before version 5's release. Version 4 license keys followed a specific format: "XXXXX-XXXXX-XX...".

: Once duplicates are identified, you can choose to delete them automatically based on specific criteria (such as keeping the oldest or newest file) or manually select which files to keep and which to remove.

: While purchasing from third-party sellers can sometimes offer better deals, make sure to verify the legitimacy of the seller to avoid counterfeit keys.

Once you have a valid key (typically in the format XXXXX-XXXXX-XXXXX-XXXXX-XXXXXX ), follow these steps to register: Duplicate Cleaner Manual (PDF)

For full functionality, purchase a license directly from the official DigitalVolcano website. The price is reasonable, supports the developers, and comes with free upgrades to newer versions if you purchase within the upgrade window.