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Vistanita Duplicate Finder is a lightweight Windows utility designed to scan your drives, compare files byte‑by‑byte (not just by name or size), and identify exact or similar duplicates. Version 3.9.6 is one of the more stable releases, popular for its speed and customization.

. If you have already purchased the software, your serial number is usually located on the original product packaging or within your purchase confirmation email Quick Start Guide for Vistanita Duplicate Finder