htc windows mobile

How can i install Windows Mobile 6 onto my HTC TyTN, that has windows mobile 5?

I have HTC TyTN, who came preinstalled with Windows Mobile 5 and I want to install Windows Mobile 6. I am member of the club HTC but the place has nothing to load programs subject. We can show you – where can load programs under Windows Mobile 6 and how to install it on your phone?