After you purchase the software, you will receive an email containing your license code. The next step of the registration process is to authorize the software. Download and install the free version of EasyUEFI. Click "About" > "Activate
The document contains a list of 12-character alphanumeric codes that appear to be license keys for EasyUEFI Enterprise 3.0 Release 1 Final software separated into groups for different users.