Don't know if you are still needing help, but if so please let us know which version of Windows 7 you have installed, I am frequently suprised to find some features missing from some down level versions, however I would have thought that media player would be included with most if not all versions. Trying opening control panel, in the top right where it says view by make sure you choose small icons, then choose "Programs and Features" then on the left choose "Turn Windows features on or off. Take a look at the attachment and make sure you have the check marks in the proper boxes