I can't play video content of the course

Screenshot from 2024-06-12 16-00-36

I just tried this, and it works for me. This suggests that you have a problem at your end. You might be at work and behind a firewall or content proxy that blocks Vimeo.com (which is our host for the videos), or you might have an extension running in your browser that interferes with Vimeo. Try out their troubleshooting pages and see if anything applies to your situation.