Man sollte versuchen, Deutsch zu sprechen. Am schnellsten lernt man, wenn man die Sprache spricht.

Lesen hilft auch. Vielleicht suchst im Internet nach einem einfachen Text? So kann du auch Vokabeln lernen. 

Have you tried my videos: https://www.youtube.com/channel/UC2XoO1HBizGfvZR01kK_VJQ/playlists
Just on top you can use them for example while making a walk or something.
Feel free to tell me if you need a special topic! I shall talk about!!
I think it's the best method, cause me myself I learned that way and found it much easier than I've ever learned before.
I subtitle everything so you can understand and learn every word I say.
you'll learn any grammar automatically!