How to change the screen brightness on any Windows 10 computer in 2 ways

You can change the brightness on any Windows 10 PC in two main ways: through the Action Center, or through your Settings ...
Ars Technica

ACPI, dim screen?

Ok, I have been looking for a way to dim the screen on my laptop using ACPI. I have a Fujitsu P1120 and have seen "RadeonTool" but that doesn't seem to work for me. I have also seen programs for other ...