Anyone can help me fix my windows media player for Vista?

Supposedly, my purpose of waking up as early as 1am is that to make my tasks. But before making I need to do my regular routine before that. And you know what I did? I just bought a music of Jaci Velasquez online for $9.99 but wasn’t able to hear it. Why? My windows media player will ask me to upgrade. When I will click the upgrade button it will end up with nothing for it says it can’t be upgraded for my windows media player needs to be connected on the internet. The truth is, it’s already connected to the internet and I don’t know what to click just to make it work so that I can listen to the music that I just bought. Sigh! This is the consequence of buying it online and not the CD itself. I’m just wasting my money. So sad! Is there anyone who can help me fix my windows media player (Vista)? I’d be glad to listen to your advise!