
Regedit is a GUI tool that is used to edit registry keys in windows. Use Regedit to remove activate the windows watermark Note: This post is for demo purpose only, to remove activation watermark, you should purchase the Windows License. If the product keys are correct, then windows will activate the OS.

Either way, it makes your desktop looks bad. It could be displayed if you have forgotten to activate your windows after purchasing it, or if you have a pirated version of windows on your computer. The activation mark on the windows screen is displayed when your windows have not been activated yet.
