Win KeyFinder
Retrieve lost Windows and Microsoft Office product keys from the system registry
Win KeyFinder is a small freeware utility for Windows that retrieves product keys stored in the system registry. It reads keys used during Windows installation and displays them to the user, covering Windows 11, 10, 8, 8.1, 7, Vista, XP, 2000, ME, 98, 2003 and .NET, along with Microsoft Office 2007, 2010, 2013 and 2016 on both 32-bit and 64-bit systems. The tool also generates unique passwords from a combination of key codes and can save product keys in encrypted form. Version 2.3.0.0 added a Wi-Fi password retriever and improved BIOS/UEFI and Office key retrieval. If more than one MS Office installation is present, only one key is displayed, and pre-installed Office copies without a registry key cannot be retrieved.
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Ranked by how well each tool replaces Win KeyFinder: shared features, audience, price and popularity.
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