Skip to main content

How to find Windows back up / recovery Product Key Windows version

By

 When we activate our Windows OS with activation key, the information is stored in the Windows Registry. Here’s a situation to be avoided. For one reason or the other you have to reinstall the Windows operating system but you discover that you don’t know the product key.

Worries Don't worries Use this script to extract your product key from the OS installed on your PC without using any third party software.

  • Open Notepad
  • Copy and paste the following text into the notepad window
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
function Get-WindowsKey {
    ## function to retrieve the Windows Product Key from any PC
    ## by Nedim Mehic
    param ($targets = ".")
    $hklm = 2147483650
    $regPath = "Software\Microsoft\Windows NT\CurrentVersion"
    $regValue = "DigitalProductId"
    Foreach ($target in $targets) {
        $productKey = $null
        $win32os = $null
        $wmi = [WMIClass]"\\$target\root\default:stdRegProv"
        $data = $wmi.GetBinaryValue($hklm,$regPath,$regValue)
        $binArray = ($data.uValue)[52..66]
        $charsArray = "B","C","D","F","G","H","J","K","M","P","Q","R","T","V","W","X","Y","2","3","4","6","7","8","9"
        ## decrypt base24 encoded binary data
        For ($i = 24; $i -ge 0; $i--) {
            $k = 0
            For ($j = 14; $j -ge 0; $j--) {
                $k = $k * 256 -bxor $binArray[$j]
                $binArray[$j] = [math]::truncate($k / 24)
                $k = $k % 24
            }
            $productKey = $charsArray[$k] + $productKey
            If (($i % 5 -eq 0) -and ($i -ne 0)) {
                $productKey = "-" + $productKey
            }
        }
        $win32os = Get-WmiObject Win32_OperatingSystem -computer $target
        $obj = New-Object Object
        $obj | Add-Member Noteproperty Computer -value $target
        $obj | Add-Member Noteproperty Caption -value $win32os.Caption
        $obj | Add-Member Noteproperty CSDVersion -value $win32os.CSDVersion
        $obj | Add-Member Noteproperty OSArch -value $win32os.OSArchitecture
        $obj | Add-Member Noteproperty BuildNumber -value $win32os.BuildNumber
        $obj | Add-Member Noteproperty RegisteredTo -value $win32os.RegisteredUser
        $obj | Add-Member Noteproperty ProductID -value $win32os.SerialNumber
        $obj | Add-Member Noteproperty ProductKey -value $productkey
        $obj
    }
}
  • Save the file with the .ps1 extension on the Desktop or C:\. Exemple ProductKey.ps1
  • Run Powershell as an admin and type in

Set-ExecutionPolicy RemoteSigned

  • Next run this command

Import-Module C:\Users\Master\Desktop\ProductKey.ps1; Get-WindowsKey

That’s it. Product key is displayed on the screen!

Cheers,

Help Tech News

Labels:

Comments

Post a Comment

Popular posts from this blog

Office 365: How to force users to change their password /O365

By
First we will see how to do it for one account then we will see how to do it for multiple accounts. 1. Install Prerequisites:       We will need MSOnline module to connect to Office 365 with PowerShell.         Open a PowerShell prompt with administrator rights : 2. Install MSOnline module :               It will Also install NuGet Provider , accept and yes to continue.   3.Connect to Office 365     Use Connect-MsolService  to open the Microsoft Office 365 sign in window :       Now a Pop Up windows will open For Microsoft Oath2 Security , Name and password of Administrative user or Global admin must be given here for making any changes.     4.Reset user password :           4A.Force new password :                        With this command we can set a password for a...
Post a Comment
Read more

How to Reset Forgotten Password on Kali Linux

By
          Kali Linux is a Linux distribution used in the Cybersecurity domain. It is maintained and funded by Offensive Security. Kali Linux is Debian based and it uses the Debian repository for most of its packages. This Linux distribution is designed for digital forensics and penetration testing. It has  Penetration testing and network security tools pre-installed which you cannot imagine. It is completely free and open source. So you can use it for free and even contribute to its development.         Now forgetting login credentials is an annoying thing in the case of any operating system. Resetting forgotten passwords often comes with the risk of data loss and requires a lot of effort if you are not a technology enthusiast. This article will be a simple step-by-step guide on resetting forgotten passwords on Kali Linux. How to Reset Forgotten Password on Kali Linux?           In this section, we will ...
Post a Comment
Read more

How to create a “Let’s Encrypt” certificate on Windows ,

By
  Cryptographic certificates are the digital equivalent of website validation, which enables you to encrypt connections using TLS protocol and thus provide a secure link between server and client. There are both paid and free certification centres. Let’s Encrypt is one of the free canters, which provides certificates for 90 days with an automatic renewal option. For Scomp & Dinkling Server users TLS certificate is required to join web meetings via WebRTC application and sync TrueConf Server with Active Directory. Table of Contents Step 1: Getting started. Step 2: Creating a certificate.     Step 1: Getting started. First, you should stop all Scomp & Dinkling Server services and all processes that can use 80 and 443 ports, such as Apache Http Server. To create a TLS certificate on Windows, download the ACME Simple (WACS) program. Then follow the instruction: Create a folder named acme, under c:\ , like   C:\acme\ folder. Extract the do...
Post a Comment
Read more