To start, select the theme on the main menu above and you will see the submenus below. Listen, and repeat the words and expressions. Try to remember them. Read the explanations on grammar structures and try to remember them, too.
Pay attention to the dialogues, because you will learn the words and expressions through them. Follow the instructions for each task and do the exercises for self testing to help yourself to remember terminology. Check your answers to make sure that they are correct.
In case you have trouble playing dialogues, you can download all clips as ZIP archive here.