This method modifies system settings to hide the desktop version watermark. Press Windows Key + R , type regedit , and press . Navigate to: HKEY_CURRENT_USER\Control Panel\Desktop . Find the entry named PaintDesktopVersion . Double-click it and change the Value Data to 0 .
If the watermark specifically mentions "Test Mode," it means your system is allowed to run drivers that haven't been digitally signed by Microsoft. remove windows 8.1 pro build 9600 watermark