Upgrade Ray only

Hey Guys..

Pardon me but a biggener with ur Software

I have my Site online not off line and Lots of Videos and Music's And and ...

and i really like to upgrade to the Finale ver of Ray only

So can you Guide me to the Best way for that ?

or if there is a Link can u send me it ? cause i didn't found any one.

if there is not can u tell me how to upgrade without losing my data ?

thanks in advanced :)

Cheers