yeah. if you buy pro, they just give you a serial number
just go to preferences and registration and enter the sn. it is possible to reverse the upgrade that you got to the newer version somewhere on apple. i had to do it cause i have the key that came with final cut. but if i can find a key for the new version on google i might do that. otherwise download bearshare from
www.bearshare.com get the free version and you can find any program you want. and most of them work. and come with keys.