This application lets you adjust the brightness of up to 5 screens/monitors individually or at once. It is especially useful for controlling the brightness of external monitors for a desktop pc.
Go to 
and download the latest release. Extract the folder in the zip to somewhere you will remember, then open the folder, and run (double-click) Screen_Dimmer.exe. A popup might come up saying "Windows protected your PC", if this happens click more info and run anyways. Now, go to your system tray (default is at the bottom of your screen) and click the show hidden icons button.
If everything worked properly you should be able to launch the app by clicking on: 
Have fun adjusting your brightness xD
I made this using PyCharm in Python 3.10
MIT © 2023 Jackson Elia