Lecturio allows you to start many courses for free. Select a course. Then click the button “Test course for free”.
How do you know which lectures are for free?
The play icon will tell you. It indicates the lectures in the course that you can immediately watch for free.
You can find up to three free lectures in many courses. That means more than 2000 free lectures for you. Go to www.lecturio.com and get started!