Lost your Windows license? Top 10 Windows Key Finders to the Rescue - Tools

In this article, we discuss what a Windows key is, where you can find the Windows key, and how to use the 10 best Windows key finder software and tools to retrieve the key of your current Windows OS.

Start by learning how to find or recover a lost Windows key on your own.

Page Content:
Overview of Windows Keys
Where to Find My Free Windows Product Key
Top 10 Best Windows Key Finders - Download to Locate Your Product Key

适用于寻找Windows 11/10/8.1/8/7/Vista/XP以及Windows Server 2022/2019/2016/2012 R2/2012/2008/2003的产品密钥。

Overview of the Windows key

A Windows key, also referred to as a Windows product key, is a 25-character license key typically used to activate or reactivate the Windows operating system on desktop and laptop computers.

Its shape is like this

    • TXUD8-USE8EX-U7XTM-LULE9-ULNX8
    • Or like this: XXXXX-XXXXX-XXXXX-XXXXX-XXXX

In addition to Windows activation, you might also need to find your Windows product key when migrating or moving to a new hard drive/SSD.

How to Find Your Windows Product Key for Free

There are three places you can find the product key for a Windows operating system:

    1. On your computer. 2. On the COA sticker of the software. 3. On the Microsoft Windows support platform.

Note that if you still have the Windows OS COA sticker that came with your computer, you can simply look up your Windows key there. For an official guide on how to find your Windows Key, refer to Microsoft's website.

Image of a Windows COA product key sticker

But if you've lost the COA sticker, or you never had such a card with your OS key printed on it, don't worry. Below, you'll find the 10 best Windows key finders that you can use to successfully retrieve your Windows product key. Let's take a look.

Top 10 Best Windows Key Finders to Download and Find Your Product Key

How do I find my Windows 10 product key? Can I view my Windows key on a Windows Server computer? Check out the list here for utilities designed to help you find your Windows keys.

Top 10 Best Windows Key Finders in 2022 [Paid and Free]

    1. #1 Key Finder Tools - Paid
    2. #2 Belarc Advisor - Paid
    3. #3 Abelssoft MyKeyFinder - Paid
    4. #4 LicenseCrawler - Paid
    5. #5 Lazesoft Windows Key Finder - Freeware
    6. #6 Free PC Audit - Freeware
    7. #7 Magical Jelly Bean Keyfinder - Freeware
    8. #8 PowerShell Command - Free Utility
    9. #9 Command Prompt (CMD) - Free Utility
    10. #10 Notepad - Free Utility

Quick navigation - Editor's Picks:

    • For the simplest and most one-click Windows key finder, try Key Finder.

Please provide the English content you want to translate, and I'll promptly translate it into Chinese for you.

    • For the best hardware and software information tool, give Belarc Advisor a try. • If you're looking for a purely free Windows key finder, don't miss Lazesoft Windows Key Finder. • As a free manual method, you can run a PowerShell command to find your Windows key.

How can I view my current Windows key? Download a free product key finder tool for your PC and check your operating system license immediately.

#1. Key Finder Tool

One-click & the easiest Windows Key Finder software

The Key Finder tool is a one-stop product key finder that anyone can use to easily scan and successfully retrieve the Windows key on their computer. In addition to finding your Windows key, it can also help locate keys for other types of software installed on your computer.

Download:

"English to Chinese translation refers to the process of converting English text into Chinese text. If you have specific English content that needs translation, please provide it to me, and I will do my best to translate it into Chinese."

Find the serial number for the following product:

    • Windows 11/10/8.1/8/7/Vista/XP
    • Windows Server 2022/2019/2016/2012 R2/2012/2008/2003, etc.
    • Windows Office product keys, Adobe software keys
    • Windows SQL product keys
    • Account passwords for web browsers like Chrome, Firefox, Edge, etc.
    • WiFi passwords

How to Use:

Step 1. Click on the “Windows” key under the Registry Editor.

Find a Windows product key 1

Step 2: Look at the Windows product key on the right. Click “Copy” to paste it, or choose one of the other two options:

"Save" - Save as a local PDF file.

"Print" - Click to print critical documents.

Find Windows product key 2

Aside from product migration, Todo PCTrans is also a powerful file transfer software that lets you move files, applications, and even operating system settings to a new computer.

Please provide the English content you want translated, and I'll do my best to translate it into Chinese.

#2. Belarc Advisor - Paid Version

All-in-One Key Finder & Hardware Info Checker

Belarc Advisor Image

Belarc Advisor is not just a tool to find your Windows operating system product key; it also lists your computer's system and hardware information in software.

Download link: https://www.belarc.com/products_belarc_advisor

Find the serial number for the following product:

    • Operating system: Windows 7/XP/Vista.
    • List hardware and software information on the computer.

How to use:

Step 1: Install Belarc Advisor on your computer.

Step 2: Click on "Software Licensing" on the left side.

Step 3. Wait for the software to scan and list the product keys in the Results pane on the right.

#3. Abelssoft MyKeyFinder - Paid Version

More like a password finder.

Abelssoft MyKeyFinder image

Unlike Belarc Advisor, Abelssoft MyKeyFinder goes deeper when searching for product keys. In addition to Windows keys, this software can reveal some hidden passwords stored on your devices.

Download: https://www.abelssoft.de/en/windows/helpers/mykeyfinder

Please find the serial number for the following product:

    • Windows 10/8.1/8/7.
    • Find the WiFi password.
    • Find the password for an external hard drive.

How to use:

Step 1: Install and run MyKeyFinder to scan your Windows keys.

Step 2: After the scan, review the list and locate your Windows key.

#4. LicenseCrawler - Paid Version

Windows 7 Style Key Finder

LicenseCrawler Image

LiceseCrawler is similar to MyKeyFinder, as it scans and finds the keys of Windows and other installed software. The only issue with this software is that it takes a bit longer to scan for product keys on Windows and your installed programs.

Download: http://www.klinzmann.name/licensecrawler.htm

Please find the serial number for the following product:

    • Windows 7/Windows 95.
    • Windows Server 2008 R2 (64-bit edition).
    • Serial numbers and licenses for other software.

How to use:

Step 1. Start LicenseCrawler and under the “Computer” section, select “Local Host.” Click on “Start Search.”

Step 2: Once the scan is finished, view the recovered Windows and software serial numbers and keys. Go to File > Save to save the results on your computer.

#5. Lazesoft Windows Key Finder – Free

Open Source Key Finder

Lazsoft Windows Key Finder

Lazesoft Windows Key Finder is a free and open-source software that helps you retrieve and copy your Windows key in a flexible way. It doesn't need installation, and with one click, you can view the product key on the screen.

Download link: https://www.lazesoft.com/lazesoft-windows-key-finder.html

Find the serial number for one of these products:

    These are the versions of operating systems and office software: - Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows XP: These are various editions of the Windows operating system released by Microsoft. - Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008, Windows Server 2003: These are Windows server operating systems designed for enterprise computing environments. - Office 2016, Office 2013, Office 2010, Office 2007, Office 2003, Office 2000: These are different versions of the Microsoft Office suite, which includes applications such as Word, Excel, and PowerPoint for productivity tasks.

How to use:

Step 1. Install and run Lazesoft Windows Key Finder on your computer.

Step 2: Wait for it to scan and display all the keys it finds.

#6. Free PC Audit - Free Software

Old Windows Key Finder

Free PC Audit Image

The interface for Free PC Audit is modeled after Windows 7 and might be a little confusing for beginners. The software doesn't require installation, either – just run the .exe to find your key.

Download: https://www.misutilities.com/free-pc-audit/index.html

Please find the serial number for the following product:

    From Windows NT to Windows 10.

How to Use:

Step 1: Run Free PC Audit.

Step 2: Click on "System" > "Windows Product Key."

View and find your current Windows operating system product key in the window.

#7. Magical Jelly Bean Keyfinder - Freeware

Free Product Key Finder

Magic Bean Image

Magical Jelly Bean Keyfinder is said to be a free tool that retrieves your Windows product key from the registry. It also supports finding license keys for some applications. The software is easy to use.

Download: https://www.magicaljellybean.com/keyfinder/

Find the serial number for the following product:

    The above list items translated into Chinese are:
    • Windows 8/7.
    • Office 2010.
    This indicates two entries: 1. Windows 8/7 operating system. 2. Microsoft Office 2010 software.

How to use:

Step 1: Install Magical Jelly Bean Keyfinder and run it on your computer.

Step 2: The software will run automatically and display the Windows product key it finds on the screen.


Editor's note: We tried this on Windows 10, but it didn't display any found keys on the screen.

In addition to third-party Windows key finder utilities, Microsoft and other tech websites offer three free manual methods you can try.

#8. PowerShell Commands - Free Tools

Built-in Windows Command Line Key Finder

PowerShell Image

If you prefer to use a built-in tool to find the key for your current operating system, you can rely on a PowerShell command.

Download: It comes pre-installed with Windows, so you don't need to download anything.

Find the serial number for the following product:

  • Windows 10/8.1/8/7 Operating System.

How to use:

Step 1. Right-click the Windows icon and select “Windows PowerShell.”

Step 2. Type the command into PowerShell and hit Enter to retrieve your Windows key: (Get-WmiObject -query 'select * from SoftwareLicensingService').OA3xOriginalProductKey.

Step 3: The Windows PowerShell should now display your current Windows product key.

#9. CMD - A Free Tool

PowerShell Alternative to Windows Key Finder

CMD image

Command Prompt, also called CMD, is a tool you can use on Windows instead of PowerShell. If PowerShell isn't working right on your computer, try this instead.

Download: Like PowerShell, Command Prompt comes pre-installed on Windows.

Find the serial number for the following product:

    This list item indicates the supported operating system versions, which include: - Windows 11 - Windows 10 - Windows 8.1 - Windows 8 - Windows 7

How to use:

Step 1. Type cmd in the Windows search box, right-click on Command Prompt, and select Run as administrator.

Step 2. Type the command and press Enter: wmic path softwarelicensingservice get OA3xOriginalProductKey.

When it's done, your Windows key will be displayed on the screen.

#10. Notepad - Free Tool

A Slightly More Complex but Efficient Windows Key Finder

Find Product Key on Windows 11 via Notepad

The last option you can try is running a Notepad command tool to find your Windows key. This method is a bit complicated, but it works on all versions of Windows.

No installation: Just download and run.

Find the serial number for these products:

    All Windows operating systems.

How to use:

Step 1: Right-click on the desktop and create a new Notepad file.

Step 2: Copy and save the following content into Notepad:

Set WshShell = CreateObject("WScript.Shell")
MsgBox ConvertToKey(WshShell.RegRead("HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\DigitalProductId"))

Function ConvertToKey(Key)
Const KeyOffset = 52
i = 28
Chars = "BCDFGHJKMPQRTVWXY2346789"
Do
Cur = 0
x = 14
Do
Cur = Cur * 256
Cur = Key(x + KeyOffset) + Cur
Key(x + KeyOffset) = (Cur \ 24) And 255
Cur = Cur Mod 24
x = x - 1
Loop While x >= 0
i = i - 1
KeyOutput = Mid(Chars, Cur + 1, 1) & KeyOutput
If ((29 - i) Mod 6) = 0 And (i <> -1) Then
i = i - 1
KeyOutput = "-" & KeyOutput
End If
Loop While i >= 0
ConvertToKey = KeyOutput
End Function

Step 3: Click File > Save As > select “All Files” from the “Save as type” drop-down menu.

Step 4: Rename the Notepad file as productkey.vbs.

Step 5: Double-click on the “productkey” file and it will automatically scan and display the Windows key that it finds.

Easily Find Your Windows Key with a Reliable Windows Key Finder

On this page, we have provided you with the 10 best Windows key finder software and tools that you can use to successfully retrieve your current Windows product key or the serial numbers of installed software like Office, Adobe, and more.

Among them, Key Finder is a universal and comprehensive keyfinder that, besides looking up your Windows key, can also retrieve the licenses of installed software (such as Office, Adobe, or even browser passwords).

Please provide the English content you would like translated, and I will do my best to translate it into Chinese.

In short, it's easy to find your Windows key as long as you choose a reliable key finder tool.

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