I jumped from an very early version to 7.0 without problems. The instructions tell you to call Adobe, but I didn't need an unlock code or anything else. And, I upgraded from a version earlier than 5.5. Take care, Gregory david Stempel FIREFRAMEi m a g i n g www.americanphotojournalist.com "The brave ones were shooting the enemy, the crazy ones were shooting film"