If you have registration key file (*.fxregkey), please start application and select Help - Install registration key menu

or click Install registration key in the evaluation dialog

You can see a special Install Registration Key wizard.

Please click browse button at right, locate your registration key file and click Ok. Registration key will be immediately installed and you will see a confirmation message like following:

Problems and Questions
If you have any troubles with installing the registration key, please feel free to contact Flexigensoft Labs