c7 64 bit installation problem

hello.

i changed my pc and on my new pc i installd a 64 bit windows.i installd cubase 5 after updated to 5.5 to 6 to 6.5 and after i installd the upgrade to cubase 7 all the versions i see in my program files but cubase 7 not there…i know its working cause i worked on the old pc with 32 bit and all was good hmm what to do?

thanx Eldad.