First you need to install and activate Dyggrid by installing it as a WordPress plugin. The free version can be found by searching the repository for ‘Dyggrid’, or you can get it here.
To install Dyggrid Pro, first purchase a license and download the software, and then install it as above. Once installed you will need to activate your pro license. After adding the shortcode to any page or post, open the Dyggrid editor on the front end and you will see the following panel:
Enter your license key, press update and refresh the page. Your plugin will then be fully functional.