Windows laptops and keyboards have a Function (Fn) key that is used to perform special tasks when pressed with F1, F2, etc.To use Function keys without pressing the Fn key on Windows, you can turn on the Fn Lock key if your keyboard has one.Alternatively, you can make changes to the UEFI or BIOS settings to disable the function key features.If your keyboard does not have an Fn key, you can use specific key combinations or third-party key mapping tools to access secondary functions.