Gena is a shareware. You can use this application for evaluative purposes for a period of 30 days. If you want to use Gena after this trial period you have to purchase it.
For purchase information please visit our site.
When you complete the purchase, you'll get the registration code. Then select "Help/Register" in the application menu and enter your user name and the registration code. If you try to launch Gena after your trial period is over, you'll be prompted for the registration code automatically.