Creezi un document text pe desktop in care copiezi textul de mai jos si apoi il salvezi cu denumirea RecoveryKey.ps1 

function Get-WindowsKey {
## function to retrieve the Windows Product Key from any PC
param ($targets = “.”)
$hklm = 2147483650
$regPath = “SoftwareMicrosoftWindows NTCurrentVersion”
$regValue = “DigitalProductId4″
Foreach ($target in $targets) {
$productKey = $null
$win32os = $null
$wmi = [WMIClass]”$targetrootdefault: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
}
}
Get-WindowsKey localhost

Deschizi aplicatia PowerShell cu run as administrator

si scrii in linia de comanda Import-Module spatiu

Acum cu tasta Shift apasata dai clik dreapta pe fisierul RecoveryKey.ps1 si selectezi din fereastra deschisa Copy as Path

Acum dai un clik pe liniuta de cursor in powershell si dai click dreapta exact pe cursor sa pastezi ce ai selectat.

Apoi stergi ghilimelele aparute la inceput si sfarsit si la sfarsitul fisierului pui “;” (punct si virgula)

Apoi tasta spatiu si scrii Get-WindowsKey si dai Enter.

Va aparea si Product ID si Product Key