You are right, downloading the application is a bit tricky. In order to get Polygon Editing Tool, you need to visit the program's webpage, then click on the End User License Agreement tab and after you agree to the company's terms, your download will start automatically.
According to the previously mentioned website, you will also need a hardware dongle for operation, otherwise you won't be able to use Polygon Editing Tool. For more information about the installation procedure as well the system requirements you can visit the Polygon Editing Tool webpage.
