GUI in C++ ...

Hello all,
I'm Thai, Beginner in C/C++.
Can someone help me to find the solution in C++ gui ? (Sorry i'm not good in English)
As far as we know basic C++

#include <iostream>
using namespace std;
int main()
{
  cout << "Hello !";
  return 0;
}

Oh ... that's basic ! but i want to know how to build that basic source code C++ to C++ GUi mean
A box that allow me to put in like Hello , press print button , under print button will apper "Hello" ?
Thanks for help and reading.