# PCS Toolkit - Windows Product Key Finder
# Extracts Windows product key from BIOS and Registry

$timestamp = Get-Date -Format "yyyy-MM-dd_HH-mm-ss"
$outputFile = "$env:USERPROFILE\Desktop\WindowsKey_$timestamp.txt"

function Log($msg) {
    Write-Host $msg
    Add-Content $outputFile $msg
}

Log "========================================"
Log "    PCS Toolkit - Windows Key Finder"
Log "========================================"
Log "Generated: $(Get-Date)"
Log "Computer: $env:COMPUTERNAME"
Log ""

Log "=== WINDOWS VERSION ==="
$os = Get-CimInstance Win32_OperatingSystem
Log "OS: $($os.Caption)"
Log "Version: $($os.Version)"
Log "Build: $($os.BuildNumber)"
Log ""

Log "=== OEM KEY (BIOS/UEFI) ==="
try {
    $oemKey = (Get-CimInstance -Query "SELECT * FROM SoftwareLicensingService").OA3xOriginalProductKey
    if ($oemKey) {
        Log "OEM Product Key: $oemKey"
    } else {
        Log "No OEM key found in BIOS/UEFI"
    }
} catch {
    Log "Could not retrieve OEM key"
}

Log ""
Log "=== INSTALLED PRODUCT KEY ==="
try {
    $partialKey = (Get-CimInstance -Query "SELECT * FROM SoftwareLicensingProduct WHERE PartialProductKey IS NOT NULL AND Name LIKE 'Windows%'").PartialProductKey
    if ($partialKey) {
        Log "Partial Product Key: XXXXX-XXXXX-XXXXX-XXXXX-$partialKey"
    } else {
        Log "No installed product key found"
    }
} catch {
    Log "Could not retrieve installed product key"
}

Log ""
Log "=== LICENSE STATUS ==="
$slmgr = cscript //nologo $env:SystemRoot\System32\slmgr.vbs /dli 2>&1
$slmgrText = $slmgr -join [Environment]::NewLine
Log $slmgrText

Log ""
Log "========================================"
Log "KEY EXTRACTION COMPLETE"
Log "========================================"

explorer.exe "/select,$outputFile"
Read-Host "Press Enter to exit"