Backup Windows License Key

You can backup your Windows license key through the following VBscript. Please copy the following code in source and save as *.vbs. In additional, it can export the text file with license key to your desktop for backup purpose.

Source:

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     keypart1 = Mid(KeyOutput, 2, Last)     insert = "N"     KeyOutput = Replace(KeyOutput, keypart1, keypart1 & insert, 2, 1, 0)     If Last = 0 Then KeyOutput = insert & KeyOutput     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

Result: