How to improve learn about English

If any person improve the English language, First of all, mind set up how to improve English language . If you only one mind question you perfectly answer .Because you know how to improve your language skill . Why important to learn English . At present we live in age of modern science . we know that any subject want to English . Because in the world many important books of write English . As if we live in age of modern science everybody must be know that learn English . In the world common language English . In the world international relation ship build up communication system is English . So, we need learn English . Today is end .