Big thanks to both of you!
Got reason 12 authorised on the new computer, and can still use the old ignition key I have from 6.5 to run reason 7 on the old one, and everything seems to be fine!
Thanks so much.

Hi I hope someone has some experience with this and can help me, couldn't get a straight answer out of propellerhead support. Basically, I have an upgrade to the latest version of reason, but would like to know if I could continue to use reason 7 without it sticking me in demo mode on my old compute...