How to add a video to Sensei Learning Management System
How to edit the header menu in WordPress
How to add a new page in WordPress
WordPress backend tour
Official WordPress documentation
Your site is most likely build with WordPress. If you want to make changes to site its quite, easy. We have lots of resources to help and if you get stuck just drop us and email. Your first stop should be the official WordPress documentation.
https://codex.wordpress.org/WordPress_Lessons