: Entering a genuine 25-digit product key is the only official way to permanently remove the watermark and unlock all customization features. Registry Editor Workaround
If your goal is to remove "long" or unnecessary built-in features (often called bloatware) to improve performance: Removewat Windows 10 Pro
If you are seeing the "Activate Windows" watermark on Windows 10 Pro, you can try these standard methods to remove it: Valid Product Key : Entering a genuine 25-digit product key is
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform\Activation Find the entry named and change its value to Restart your PC. Command Prompt (Test Mode) Removewat Windows 10 Pro