There are 3 ways to upgrade the OxyGen Code Generator Trial Edition to the registered version of the product.

Register the trial edition using a product registration key
Request a product registration key (after you purchased a registered version of the product) by sending an email to sales@techinceptions.com.

Install the registered edition on top of the trial edition
Install the OxyGen Code Generator registered version on top of your trial edition (after you purchased a registered version of the product).

Uninstall trial edition and install the registered edition
Purchase a registered version of the product.
Uninstall the OxyGen Code Generator trial edition. Install the OxyGen Code Generator registered version.

To understand which package gives you the best value based on your need,
visit OxyGen Code Generator licensing and pricing.