The first time you download LongoMatch, you will have installed LongoMatch PRO trial during 15 days. After this time, you will be asked to validate your license in order to keep using LongoMatch. 

When registering for the first time, you will receive an email with the 25 digit key code to activate your license. Please, check up for the email in your spam folder if you don't find it. 

Also if you already registered in the past or you did not receive the email, you will find you 25 digit key code to activate your license in "My Products" tab in you account. 

Please, copy&paste this code in the  pop-up window to validate the code that appears when you open LongoMatch. 

To see the video tutorial about how to activate your licenses from your account click here.