So to get back Windows Media Center you need to follow these steps:
1. Open Search.
2. Enter add features in the search box, and then tap or click Settings.
3. Tap or click Add features to Windows 8.1 and then you will get two options:
Follow the steps to purchase and enter a product key.
4. Enter the exact product key which you used during WMC installation on Windows 8 or Windows 8.1 Preview. Click Next.
5. Select the check box to accept the license terms, and then click Add features.
6. PC will restart automatically and Windows Media Center will be available for use. 7. After the restart you will find the following message: 8. You can now see the app. 9. Click on Windows Media Center icon and configure it.
note: Using the old Product Key which you have used during installing WMC in Windows 8 or, Windows 8.1 Preview may ask for activation. If you face problem with activation you may either go for phone activation or contact Microsoft support for further help and support.
S.Sengupta edited Revision 5. Comment: Activation issue explained
S.Sengupta edited Revision 3. Comment: See Also section added
Maheshkumar S Tiwari edited Revision 2. Comment: corrected tag
Please add See Also section with links to other similar articles and parent article