The videos "Typo3 for editors" by Jochen Weiland on YouTube give you an excellent introduction to Typo3.

Some things look a little different in our Typo3. Or not all functions are accessible to our editors. And yet these videos offer a very good opportunity for self-study of Typo3.

You can also try out everything you have learned directly in our sandbox:

Typo3 Sandbox to try out

(from the network at RPTU, Campus Landau and VPN)