How do I adjust my computer brightness? By YL ComputingDecember 8, 2022Windows 10 1. Right-click on the desktop and select Display Settings from the menu. 2. Select the Brightness and Color tab. 3. Adjust the brightness slider to the desired level. 4. Click OK or Apply to save the changes. Related Content:How to customize system tray icons in Windows 10?How to customize the Start menu in Windows 10?How do I stop Windows 10 from automatically downloading and installing updates?