Hi henricosoldier, welcome to 7F!
Go to the Start Orb >All Programs >with the scroll bar all the way up >It should be listed about 2/3 of the way down.
If it is not there; go to Control Panel\All Control Panel Items\Programs and Features
>in the left panel menu click on Turn Windows Features On or Off
Allow the list time to populate, then look for Media Features, click on the + sign, if Windows Media Center is not checked, click on the box to check it.
You can click on the box next to Media Features if you want to turn all three of the features on.
Reboot your machine, check again in Start Orb >All Programs > with the scroll bar all the way up >It should be listed about 2/3 of the way down.