How to Add Brightness Slider in Windows Desktop PC

This video about how to add brightness Slider in all Windows. This app will show you Add increase, radius brightness slider.
Features
A volume like Slider to Change Monitor Brightness
Option to Run At Startup

If you get an error "Not Supported"
paste this Windows PowerShell

$monitor = Get-WmiObject -ns root/wmi -class wmiMonitorBrightNessMethods$monitor.WmiSetBrightness(80,10)

if the code above gives an error. then, there is nothing I can do. because WmiSetBrightness is provided by Microsoft. please don't open issue about this.

try install/update your graphic driver

Fixed
the slider will show at the nearest place to your taskbar

download: http://tenteaea.com/CGd