Formal VS Informal

Why there is a formal and an informal way to talk in German? Which German pronoun to take, conjugation you need to use and in which situations do we actually use it? When to use "du" and when to use "Sie"?

For all these questions you will find answers in this video. Starting with explanation why there is a formal and informal way to talk, which pronoun you need to use and how you conjugate it. At the end there are some situations which show how to change from informal to the formal way of talking German.

Enjoy this video und bis bald
​Luzi