To adjust the screen brightness on Windows 10, you can follow these steps:
1. Click on the Start menu and go to Settings.
2. Select System.
3. Click on Display from the left sidebar.
4. Under the Brightness and color section, you can adjust the slider to change the screen brightness.
Alternatively, you can also use the keyboard shortcuts on most laptops to adjust the screen brightness. Typically, this involves pressing the Fn key along with one of the function keys that has a sun icon or brightness indicator printed on it.
