UPDATE:
After "cptskippy" reddit user give me an idea, added this lines before sending "ESC":
Keyboard.press(KEY_LEFT_GUI);
Keyboard.press('l');
Keyboard.releaseAll();
delay(1000);
More info:
http://www.instructables.com/id/IPhon...
This will logout from windows first, if logged in.
Login to the windows with iPhone Touch ID.
Arduino leonardo connected to pc USB port.
Iphone send a string to the arduino with bluetooth, when Touch ID accepted by the app. If this string received the arduino, write the password to the windows login screen password text field.