The other way will be by pressing the Windows + R keys simultaneously.
You will have to double click on PaintDesktopVersion.Go to HKEY_CURRENT_USER followed by Control Panel and then Desktop.If in case there comes a UAC option, you need to select Yes.(You need to run the system as an administrator). For this, you need to follow the necessary steps. Using Regedit will allow you to remove the Activate Windows watermark. Methods To Get Rid Of Activate Windows Watermark Method 1: By using Regedit