Write to file and save

Hi everyone
i was wondering if anyone can help me out i have a teensy++2.0 and am trying to get it to write text in notepad and save it i got it to open notepad and write text but cant get it to save here is what i have and sorry if i post in the wrong place thanks…

void setup()   {
}
void loop()
{
delay(1000);
      Keyboard.set_modifier(MODIFIERKEY_RIGHT_GUI);
      Keyboard.set_key1(KEY_R);
      Keyboard.send_now();
      delay(1000);
      Keyboard.set_modifier(0);
      Keyboard.set_key1(0);
      Keyboard.send_now();
      delay(1000);
      Keyboard.print("notepad.exe");
      Keyboard.set_key1(KEY_ENTER);
      Keyboard.send_now();
      Keyboard.set_key1(0);
      Keyboard.send_now();
      delay(1000);
      Keyboard.println("Hello World!");
      delay(1000);
}

I'm guessing you have he Arduino send he same keystrokes you would use to save and exit if you were at the keyboard and didn't have a mouse. I don't have a Windows machine handy to figure out what to type but I assume you have one.

Ctrl + S to save filename Enter Alt + F4 to exit