retrieve product key

Question

_{Sunday, March 20, 2016 3:26 PM}

lost my product key.  My account seems to have current product key and shows the last 5 digits when I log in.  But I want to install a new hard drive and expect I will need the full key.

All replies (4)

_{Tuesday, March 22, 2016 6:04 AM ✅Answered | 3 votes}

Hi,

After our test, we could find out current product key without using third-part tool, just create a VBscript.

Please copy and paste the following into a Notepad window:

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

After pasting, click File->Save As, change the Save as type to All Files and then name it productkey.vbs or something similar ending with the vbs extension.

Once saved it, double-click and the popup window will show us the current product key.

Maybe you could have a try.

Best regards,

Teemo Tang

Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact tnmff@microsoft.com.

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_{Sunday, March 20, 2016 9:49 PM}

You might have to use 3rd party tool to get the key. But, its still not confirmed that you'll be able to get it. :)

Arnav Sharma | http://arnavsharma.net/ Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

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_{Sunday, March 20, 2016 10:37 PM | 1 vote}

What Windows version do you have? for Windows 10 see Activation in Windows 10 and the 'Digital entitlement is a new method of activation in Windows 10 that doesn’t require you to enter a product key.' section. So depending on how you upgraded to 10 (if you did) then that will affect it. In that case the product keys are generic, the Windows 10 Pro Digital Entitlement key ends in 3V66T.

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_{Monday, March 21, 2016 8:45 AM | 1 vote}

As mentioned by Mr. Happy. You don't need the key to re-install Windows 10 as long as you don't replace the Mother Board. Any other devices such as CD/DVD, HD/SSD can be replaced and will not affect the activation. Just re-install Windows with the new HD/SSD. When prompted to enter Product Key, click on: "I don't have the Product Key" or "Skip this step".

However, If you wish to have the Product Key for your record then download:
ShowKeyPlus.zip developed by: Superfly

NOTE: Need Net Framework installed to run.

See screen shot below.