How to remove test mode watermark in Windows | A lot of users had all of a sudden got a watermark in their Windows 10 . This comes with windows version details above the clock in the lower right corner of the desktop. The message reads “Test Mode Windows 10 Pro Build xxx” appears after an upgrade from previous version .
Steps to fix
Step 1. Open Command Prompt (CMD) as an Administrator
Step 2. Type in the following command and hit Enter
bcdedit.exe -set loadoptions ENABLE_INTEGRITY_CHECKS
Step 3. Enter the command below and press Enter
bcdedit.exe -set TESTSIGNING OFF
Step 4. Close the Command Prompt window
Step 5. Reboot your computer to make changes take effect
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