Neat Video & Neat Image community

I have both CS5 and CS6 installed on this MacBook Pro 8,2 and I was trying to install the Neat Image plug-in for CS6 and it only installs into CS5. How do I get it installed on CS6?

I've been a customer for many years, and when I bought a new laptop, installed it there and it worked great. After a few months all of a sudden it reverted back to the demo version and I cannot get it to go back. I re-entered the serial numbers but nothing works. WHat gives?