Remove “Test Mode” on Windows

How to disable the “Test mode” message that is displayed in Windows..

You receive the following message in the lower-right corner of the desktop, depending on your version of Windows.

Test Mode
Windows 8.1 Enterprise
Build 9600

To fix this problem in Windows 8, follow below steps:

Open Command Prompt with Administrator permissions.

In the Command Prompt window, type the following command, and then press Enter.

bcdedit -set TESTSIGNING OFF

Now restart the Computer..