How to View Your Windows 10 Product Key Using Script

There are many tools to extract the Product Key from a live system or from the registry hive of an offline computer. Additionally, here is a neat little Vbscript that gets the Product Key of your current Windows installation–no third-party program required. The script works on Windows 7, 8 and Windows 10.

View Windows 10 Product Key Using Script

Copy the following code to Notepad and save the file as GetProductKey.vbs.

Option Explicit  
 
Dim objshell,path,DigitalID, Result  
Set objshell = CreateObject("WScript.Shell") 
'Set registry key path 
Path = "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\" 
'Registry key value 
DigitalID = objshell.RegRead(Path & "DigitalProductId") 
Dim ProductName,ProductID,ProductKey,ProductData 
'Get ProductName, ProductID, ProductKey 
ProductName = "Product Name: " & objshell.RegRead(Path & "ProductName") 
ProductID = "Product ID: " & objshell.RegRead(Path & "ProductID") 
ProductKey = "Installed Key: " & ConvertToKey(DigitalID)  
ProductData = ProductName  & vbNewLine & ProductID  & vbNewLine & ProductKey 
'Show messbox if save to a file  
If vbYes = MsgBox(ProductData  & vblf & vblf & "Save to a file?", vbYesNo + vbQuestion, "BackUp Windows Key Information") then 
   Save ProductData  
End If 
 
 
 
'Convert binary to chars 
Function ConvertToKey(Key) 
    Const KeyOffset = 52 
    Dim isWin8, Maps, i, j, Current, KeyOutput, Last, keypart1, insert 
    'Check if OS is Windows 8 
    isWin8 = (Key(66) \ 6) And 1 
    Key(66) = (Key(66) And &HF7) Or ((isWin8 And 2) * 4) 
    i = 24 
    Maps = "BCDFGHJKMPQRTVWXY2346789" 
    Do 
           Current= 0 
        j = 14 
        Do 
           Current = Current* 256 
           Current = Key(j + KeyOffset) + Current 
           Key(j + KeyOffset) = (Current \ 24) 
           Current=Current Mod 24 
            j = j -1 
        Loop While j >= 0 
        i = i -1 
        KeyOutput = Mid(Maps,Current+ 1, 1) & KeyOutput 
        Last = Current 
    Loop While i >= 0  
     
    If (isWin8 = 1) Then 
        keypart1 = Mid(KeyOutput, 2, Last) 
        insert = "N" 
        KeyOutput = Replace(KeyOutput, keypart1, keypart1 & insert, 2, 1, 0) 
        If Last = 0 Then KeyOutput = insert & KeyOutput 
    End If     
     
 
    ConvertToKey = Mid(KeyOutput, 1, 5) & "-" & Mid(KeyOutput, 6, 5) & "-" & Mid(KeyOutput, 11, 5) & "-" & Mid(KeyOutput, 16, 5) & "-" & Mid(KeyOutput, 21, 5) 
    
     
End Function 
'Save data to a file 
Function Save(Data) 
    Dim fso, fName, txt,objshell,UserName 
    Set objshell = CreateObject("wscript.shell") 
    'Get current user name  
    UserName = objshell.ExpandEnvironmentStrings("%UserName%")  
    'Create a text file on desktop  
    fName = "C:\Users\" & UserName & "\Desktop\WindowsKeyInfo.txt" 
    Set fso = CreateObject("Scripting.FileSystemObject") 
    Set txt = fso.CreateTextFile(fName) 
    txt.Writeline Data 
    txt.Close 
End Function

Source: Retrieve Windows Product Key · GitHub

Double-click to run the script to find out the Product Key of your Windows installation.

vbscript view product key windows 10
Product Key retrieved using Vbscript

About the author

Ramesh Srinivasan founded Winhelponline.com back in 2005. He is passionate about Microsoft technologies and has a vast experience in the ITeS industry — delivering support for Microsoft's consumer products. He has been a Microsoft MVP [2003 to 2012] who contributes to various Windows support forums.

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