ShowKeyPlus is a portable freeware app to retrieve and save your Windows product key if you lost it.

LicenseCrawler is designed to allow you to discover application product keys and other serial numbers or licenses.

MyKeyFinder is a tool designed to help you recover lost or forgotten license keys and WLAN passwords quickly and effortlessly, with just a single click.

EaseUS Key Finder scans your system to retrieve product keys for Windows, Microsoft Office, Adobe products, and more.

WinKeyFinder retrieves and displays Windows product keys used during the Windows installation from the System Registry.

Windows Product Key Viewer allows users to view the product key of an installed Windows operating system.

Product Key Scanner is a portable app designed to scan for product keys of Windows and other Microsoft products within the registry.

Lazesoft Windows Key Finder, a powerful open-source freeware designed to retrieve lost product keys for various versions of Windows and Microsoft Office.

Windows Key Viewer lets you find your Windows product key easily.

PK Finder is a free application that can help you recover your Windows Product Key in case you forgot it, are unable to access it, or simply for testing purposes.

Product Key Decryptor is a free tool to recover license keys of over 200 popular apps including Windows, Adobe, WinZip and more.

IOGenie Windows Key Finder finds and displays your Windows key quickly.

Windows Key Finder is an Open Source app that uses the Command-Line to retrieve your Windows product key.

Magical Jelly Bean Keyfinder is a freeware utility that retrieves your Product Key (cd key) used to install windows from your registry.

Windows Activation Key Viewer is a portable option for viewing your Windows activation key.

WinKey is designed to quickly display your operating system type, version/build, product ID, key number, and the motherboard's serial number.

PID Key Checker is a portable app that allows you to quickly check your machine's Microsoft Windows and Office license Keys.

Wise Windows Key Finder is a portable app that finds Windows key data quickly and displays it from a simple UI.

CheckWindowsGenuine is a straightforward portable app designed to reveal if your Windows license is genuine.

ProduKey is an essential utility for retrieving lost ProductIDs and CD-Keys for Microsoft Office, Windows and more. Video tutorial available.

Win Key Viewer is a fast little portable app that displays your Windows 10 product key.

Windows Product Key Finder is a simple, freeware ad portable app to show your Windows 10 product key or serial number.

SterJo Key Finder is a program that attempts to recover your product keys.

Microsoft Genuine Advantage Diagnostic Tool can diagnose and resolve issues with Microsoft Genuine Advantage components.

Winkey Finder helps you retrieve your Windows, Office and .NET Product keys from the registry and display it for you.