Limited time free product key: http://windows.microsoft.com/en-US/wind ... ture-packs
Windows Media Center for Windows 8 is available as an installable upgrade from Microsoft.
1) Open the System information screen by typing "System" from the launch screen, changing the filter to "Settings" and clicking on the "System" icon.
2) Click on the "Get more features with a new edition of Windows".
3) If you received a product key through the limited time off select "I have a product key", otherwise select "I want to buy a product key online".
4) Select "Windows 8 Media Center Pack".
5) Enter billing information.
6) Accept terms and conditions and click "Add Features" to install.
WARNING: Windows 8 will forcefully restart the computer without warning during the install process. Make sure you do not have unsaved work.