Effectively hides "Test Mode," "BootSecure," "Confidential," and pre-release evaluation strings.
The official repository by pr701 contains the source code and documentation. Download Universal Watermark Disabler zip
If you update your Windows build or change background settings on some Insider builds, the watermark may reappear. You can simply run the tool again to hide it. GitHub - pr701/universal-watermark-disabler Effectively hides "Test Mode
Universal Watermark Disabler (UWD) is a lightweight, open-source tool designed to remove various watermark strings from the Windows desktop. It is particularly popular for users on or Evaluation builds where "Test Mode" or "Evaluation Copy" text persists in the bottom-right corner. Key Features and Compatibility Download Universal Watermark Disabler zip
Double-click uwd.exe . You will see a summary of your Windows installation.