It breaks the Software Licensing Management Tool ( slmgr.vbs ), blocking the user from entering an official key later unless the tool is manually uninstalled.
After restarting your computer, verify that the watermark has been removed: removewat 226 windows 81 link
If you're considering using a tool like "Remove Watermark 2.2.6" for Windows 8.1, ensure you: It breaks the Software Licensing Management Tool ( slmgr
It will display "Windows is activated" or "Windows is not activated." removewat 226 windows 81 link
