The Media Feature Pack for N and KN versions of Windows 8 will install Media Player and related technologies on a computer running Windows 8 N or Windows 8 KN editions.

What is Windows 8 N & KN versions?

Windows 8 N and Windows 8 KN editions include the same functionality as Windows 8, except that these versions of Windows do not include Windows Media Player, and related technologies. (especially targeting European Union customers) .
End-user customers can enable the media functionality to work properly by installing the Media Feature Pack for N and KN versions of Windows 8 (KB2703761).
This feature pack can be applied to computers running either Windows 8 N or Windows 8 KN editions.

Download from Microsoft Download Center