How can I make my own application?

Question

please, give me the solution

Answer 1

by learning a language, writing code then compiling your code into an executable file.

if you want a better answer it would help if we had more to go on. Please elaborate on the kind of app you wish to create

Answer 2

If you want to make your own application(app or Windows software) you should be clearing your concept in all programming methology like Database making(MYSQL),XML for UI,C, and as yoy wish of your application.