First of all, the word 'fastly' does not exist. You should use the word "fast".
!) You should listen to good quality English audio on subjects that you find interesting
2) Don't worry about grammatical mistakes when you speak instead enjoy your mistakes.
3) Everyday set one hour aside for only speaking in English . It will be excellent, if you can spend more.
Your success will depend on your passion in connection with English.
3)