How do I change my keras backend?

Related questions

1. Which is better keras or PyTorch?
2. What is K in keras?
3. What is model in machine learning?
4. What is epochs in keras?
5. What is model Fit_generator?
6. What is a neural network model?
7. What is data model in machine learning?
8. What is dense in keras model?
9. What is keras flatten?
10. What is steps per epoch?

Tags

1. #windows
2. #replace
3. #available
4. #folder
5. #create
6. #change
7. #theano
8. #there
9. #keras
10. #permanently
11. #config
12. #backend
13. #userprofile
14. #tensorflow