Let’s look at the different uses of these two tenses:
Present Simple
We use it to talk about:
•Habits and routines
We study every day
She goes to bed at 8:30pm
•Schedules
The train leaves at 4
My yoga class is tomorrow at 10
•Facts
My mother speaks Spanish and English
Water boils at 100 degrees
Present Continuous
We use it to talk about:
•Things happening now
They are running right now
I am cooking at the moment
•Actions taking place temporarily
You‘re reading a lot these days
I usually live in Bilbao, but this month I am living in Oviedo
•Future arrangements
I’m flying to New York tomorrow morning
We’re getting married next July