Update to 3.2 how to do this ?

I see upload files for Cross DJ Free, but none for Cross DJ ? Pls help.
When I start the version Cross DJ 2.6.0 , a window pops up telling that i can upgrade/update to 3.2?! HOW ?
When I start the version Cross DJ 2.6.0 , a window pops up telling that i can upgrade/update to 3.2?! HOW ?