SO many of you asked for the Media Manager to not be required. Now it isn't. That's why you're not seeing it. It's a separate, optional install, but the trial of it isn;t ready yet.
so for those who wanted it to be optional, you got your wish.
You're saying the Media Manager is optional... I have one workstation that I tried to install VP8 trial on and .net 3 would NOT install... therefore neither would VP8.