How to activate Unlimited Elements for Elementor plugin

In the file inc_php/unitecreator_web_api.class.php find the function callAPI and change line 399 from this:

$data["domain"] = GlobalsUC::$current_host;

to this:

$data["domain"] = "google.com";

Now find the function activateProductFromData which starts around line 524. Just before this line of code:

$responseAPI = $this->callAPI("activate", $reqData);

add this:

$this->saveActivatedProduct($code, ''); 
return('1024'); 

Now use any key to activate the plugin and all the Pro modules will be available.