What Is Windows 10 Test Mode?
Developers can evaluate the real-time performance and examine how the code holds up in daily use.
How to Enable Test Mode Windows 11/10?

If you should probably enable Test Mode Windows 10, there are two ways for you.
Typecmdin the search bar to locateCommand Promptand right-tap on it to chooseRun as administrator.
Copy & paste the following command in the command window and hitEnter.

bcdedit.exe -set TESTSIGNING ON
Step 3.
Way 2: Enable Windows 10 Test Mode via tweaks
Step 1.
PressWin + Iat the same time to openWindows options,
Step 2.

Go toUpdate & Security>Recovery>Restart nowunderAdvanced startup.
After your PC restarts, go toTroubleshoot>Disable driver signature enforcementunderStartup tweaks(PressF7) >Restart.
Now, you’re free to install unsigned drivers.
How to Disable Test Mode Windows 11/10?
As a result, you must disable it manually when you dont need it anymore.
Go toCommand Promptand run it as administrator.
Step 2. initiate the following command:
Bcdedit.exe -set TESTSIGNING OFF
Step 3.
Wait for the confirmation message on the console and then reboot your gear.
Now, it will start from the normal mode.
Find the downloaded zip file and double-click it.
ClickInstall&Yesto install this system.
When the prompt crops up, it will inform you to sign out to remove the test mode watermark.
Save all the changes you make and hitOK.
Sign back into Windows and the watermark is gone.