In order to transfer your license to another computer, please uninstall the software from the current computer. Once you have uninstalled the software, you may install the software on the new machine and use your registration PIN to re-activate it.
In case you cannot find your PIN or don't have the right installation file, please contact us with your purchase details at cs@investintech.com and we'll be happy to help.
This article refers to Able2Extract and Able2Extract Professional.
this does not address what to do with prior versions. All I see on the site is version 14 - I just want to install version 12 and use my existing key.
have exact same problem as Jeffrey Campbell
Same here!