Use the Present Simple for things in general or things that happen repeatedly
Use the Present Continuous for something that is happening at or around the time of speaking.
The action is not finished.
Dan watches television every evening.
It doesn’t rain very much in the desert.
What do you unusually do on weekends?
Louis reads a lot of books.
Dan is watching television.
It isn’t raining right now so we can go for a walk.
What are you doing this weekend?
Louis is reading an interesting book at the moment.
Use the present simple for a permanent situation.
Eric lives in London.
Use the present continuous for a temporary situation.
Sonia is staying with some friends until she can find a flat.