The first one is for a demonstration of exploratory testing for a simple web application:
The second is for exploratory testing of the installation process of an antivirus:
I was thrilled to discover and watch them.
Many things can be learned by just watching.
The antivirus demo is a bit slow in the beginning but after 10-15 minutes, it becomes much more interesting.
In my opinion, these demos should be recommended "reading" for anyone who wants to start learning or improve his testing.