If you are a registgered owner of one of our software titles and you receive a notice something like "You have reached 35 days of usage, please contact Koesoft and mention Ins Key Requested", then do just that. Send an email to rk@cabinets-plus.net with your name and the approximate date of your purchase. We will email you back a very easy to install key. This key goes in the registry so it is very easy to install.