Donate Panel v4 Activation

How to buy and activate a license for the Donation Panel V4

1) Activate here https://shop.denart-designs.com/activate.php?license
2) Follow the instructions
3) After successfully submitting the form you will get an e-mail (check junk)
4) Use the key contained in the email and paste it on config.php

Example original default config.php
define('ACTIVATION_KEY', "FREE");

Example of added key
define('ACTIVATION_KEY', "wc_order_3gd48g753Ot4");

5) To activate use the license here https://shop.denart-designs.com/activate.php
6) Follow the instructions