Hi,
Elearning Education Pro is the theme and Elearning Education Pro PostType is plugin.
To install the theme please refer below to the documentation for a better understanding.
Please take backup of your site if any data is available before activating our premium theme.
Here is the link of the documentation: https://themespride.com/demo/docs/elearning-education-pro/
We hope this gives you the information you need.
Please let us know if you need anything further and we would be happy to help.
Many Thanks