Open an elevated Command Prompt (Admin) and type: wmic path SoftwareLicensingService get OA3xOriginalProductKey .
If you are running Windows 8.1 Pro Build 9600, you may frequently see a watermark on your desktop or receive "Activate Windows" pop-ups. While Microsoft recommends using a genuine product key for full support and security updates, many users seek alternative methods to bypass the activation screen when a key is unavailable. activate windows 8.1 pro build 9600 without product key