Try downloading the new version of the software from its official website. There are listed two versions of the product. Download the one without the [OLD VERSION].
Official website: http://www.intotech.co.kr/down_netclient.php
There is nowhere mentioned about compatibility. But in Windows 10, right-click the application after it's installed and go to Properties > Compatibility. Select Windows 7 from the list and then launch the application.