Thanks, Greg. I think I'll just try the old elimination game - activate a second instance on a different machine and see what happens. If the serial number I use doesn't get "rejected" then I'm good; otherwise, enter one of the other serials I have. I was just trying to "know" before I installed/registered that second installation. ... View more

No, not the version number, the serial number used to activate that program. Again, in "olden" times that serial number was, of course, on the product box or CD and would then be entered to activate the product. My point is that it also would show up under "About" or somewhere within the running app. I guess I'm making much ado about nothing but I want to be sure I not only register each purchased app but, more importantly, don't accidentally try to use a product key twice. Just want to keep things on the up-and-up. I know, old fashioned. No piracy here. ... View more

Thank you for your time and reply. I have checked "My Products" which indicates I have 3 registered Photoshop Elements and 3 Premiere Elements. It may not seem important but I'd like to know which product is installed on which machine. Right now all I know is that 3 products for each app are registered. Since I've only installed 2 instances of each app I'd like to better manage which product is installed where. Call me old-fashioned. I am. ... View more