Article ID: 2793650 - View products that this article applies to.
The volume license versions of Windows 8 Pro and Windows 8 Enterprise do not have an Add features option. Therefore, you cannot install the Windows 8 Media Center Pack on computers that are running these versions of Windows.
This behavior is by design. The Windows 8 Media Center Pack is intended for consumers only and is not available with volume license versions of Windows 8. The functionality that enables you to add this feature pack is not present in volume license media.
Volume license customers who require the functionality that is contained in the Windows 8 Media Center Pack (such as DVD playback) should look for third-party solutions that can be installed on Windows 8.
How to determine whether you are running a volume license version of Windows 8