Perhaps, you need your Windows key for a certain reason but run into problems. In this post, MiniTool will show you how to quickly find your Windows 10 product key using 4 different ways.

About Windows 10 Product Key

Windows product key is a code with 25 characters (in the form of XXXXX-XXXXX-XXXXX-XXXXX-XXXXX) and is used to activate your Windows. After you install Windows operating system on your computer and activate it with the key, it will be stored in Windows Registry.

Do I really need Windows 10 product key? You may ask.

Actually, Windows product key is essential if you want to upgrade or reinstall your OS.

Although Microsoft allows to download and install Windows 10 without a product key, you still need to activate it with a key, especially when you upgrade your motherboard or processor.

Note: Depending on how you get your copy of Windows 10, you will need either a product key or a digital license to activate it. The latter is a method to activate your Windows 10 without the need to enter a product key.

Commonly, you can locate your Windows product key in the Certificate of Authenticity (COA) sticker. However, the manufacturers have stopped pasting their COA since a couple of years but embed the key in the motherboard firmware instead. This makes it more difficult for users to find their product keys.

But you don’t need to worry. Just keep reading to get the methods to find Windows 10 product key.

How to Find Windows 10 Product Key

To extract Windows key from your computer, you can use Registry, VBScript, Command Prompt and Windows PowerShell. Let’s have a closer look at these methods.

#1 Using Registry

As the key is stored in Windows Registry, you can surely find it in this tool.

Note: The displayed key in registry is binary and it’s impossible for most users to read. If you have difficulty figuring it out, you can directly jump to the next way.

Step 1: Press Windows + R to open Run window.

Step 2: Input regedit and press Enter to open Registry Editor.

Step 3: Navigate to the following path under registry tree:

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion

find Windows 10 product key in registry

Step 4: After highlighting the CurrentVersion folder, double-click DigitalProductId and your product key will be displayed in the pop-up window.

#2 Using VBScript

By using VBScript, you can find you Windows product key directly. Just follow the steps below.

Step 1: Open a Notepad window. You can search it in the Search bar.

Step 2: Copy and paste the following script in the 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



Cur = 0

x = 14


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: Save the Notepad to a specific path. Just choose All Files from the list of Save as type and name it as productkey.vbs, and click Save.

save the Notepad

After that, you can double-click the file and a window will pop up showing your Windows product key.

find Windows product key using VBScript

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#3 Using Command Prompt

You can also use Command Prompt to find your Windows 10 product key.

Just input cmd in Run window and press Ctrl + Shift + Enter to run Command Prompt as administrator. Then, type the following command and hit Enter:

wmic path softwarelicensingservice get OA3xOriginalProductKey

Note: This method also works for OEM and Retail licenses.

find Windows key using cmd

#4 Using Windows PowerShell

Similarly, you can also execute a certain command line in Windows PowerShell to get your product key.

Just right-click the Start button and choose Windows PowerShell (Admin). Then, input the following command line and press Enter key: powershell “(Get-WmiObject -query ‘select * from SoftwareLicensingService’).OA3xOriginalProductKey”

This command will show your Windows 10 or Windows 7 product key.

Other Workarounds to Find Your Windows Product Key

There are some other methods you can try to find your Windows product key.

  • Find product key on COA sticker.
  • Find product key on a label or card inside the box that Windows came in.
  • Check Windows key in the confirmation email from Microsoft you received after buying Windows.
  • Use a professional third-party program to restore or find Windows product key.
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