After your purchased a license:

Do not run a new setup, when you are upgrading from the 'trial' to the 'full' version, you only need to open the currently installed 'trial' version and click on the "Register" button in the main program window.

Make sure that you paste in the correct serial number supplied in your order confirmation email.

Then you can use the software without any limitations and the main interface will turn to below.

If you lost your serial number you can contact us at: support@winmend.com