Universal Watermark Disabler (UWD) is a popular third-party tool used to remove the "Evaluation copy" and build number watermarks typically found in Windows Insider and pre-release versions of Windows 11 📥 How to Download and Install
Assuming you have verified the file and are ready to proceed, here is how to remove the watermark on Windows 11.
Clears strings like "Evaluation Copy," "Test Mode," "BootSecure," and "Confidential".
Microsoft’s monthly cumulative updates (Patch Tuesday) often replace patched system files. If the watermark reappears: