how do you make a minimized program pop up when such = 0 like this

Code:
#include <iostream.h>
#include <stdlib.h>
#include <windows.h>

int main()
{
      int minutes;
      minutes=90;
      while(minutes > 0)
      {
                          Sleep(60000);
                          minutes-=1;
                          cout << minutes << " minutes left!" << endl;
      }
      //I want it to pop up here
      cout << "YOUR TIME IS UP!!!!" << endl;
      system("PAUSE");
      return 0;
}