Edius upgrade from 3.22

[Ludde]

I tried to fix my problem by install my first edius, which is 3.22, and then insert my bought 4 upg dvd, but then it will try remove everything, I seem to remember that I had to upgrade to some versions first, before i could use my DVD, but I don´t have the possibillity to download thoose upgrades at all at my pages on canopus website..
Pls hlp