# If the script does not work due to policy restrictions, you can change the Windows policy for the current session (not permanently):
# Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope Process

# Function to retrieve the Windows product key
function Get-WindowsProductKey {
    $path = "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform"
    $key = Get-ItemProperty -Path $path
    $productKey = $key.BackupProductKeyDefault
    if ($productKey) {
        Write-Output "Your Windows Product Key: $productKey"
    } else {
        Write-Output "Could not retrieve the product key."
    }
}

# Check the current execution policy and notify the user if it might block the script
if ((Get-ExecutionPolicy -Scope Process) -notin @("RemoteSigned", "Bypass")) {
    Write-Output "The current execution policy might block the script. Running the following command allows it for this session only:"
    Write-Output "`nSet-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope Process`n"
    Write-Output "Re-run the script after running the above command if necessary."
} else {
    # Run the product key retrieval function
    Get-WindowsProductKey
}