how to download fn movies

How to turn on and off function keys FN + F1, F2, F3, ... F12 on Laptop
laptop shortcuts are the use of function keys fn + f1, f2, f3, ... f12 on laptops. depending on each function key, it has its own task. please refer to how to turn on and off function keys fn + f1, f2, f3, ... f12 on laptop for effective use.