How to removes "Windows 8.1 SecureBoot isn't configured correctly" watermark

How to removes "Windows 8.1 SecureBoot isn't configured correctly" watermark

Update removes the "Windows 8.1 SecureBoot isn't configured correctly" watermark in Windows 8.1 and Windows Server 2012 R2

From Here
https://support.microsoft.com/en-us/kb/2902864

Microsoft Download Center

The following files are available for download from the Microsoft Download Center.


All supported x86-based versions of Windows 8.1
Download the package now.

All supported x64-based versions of Windows 8.1
Download the package now.

All supported x64-based versions of Windows Server 2012 R2
Download the package now.