In this article, we'll explain how to increase or decrease screen brightness on a Windows 10 device, fine-tune brightness levels to your liking, enable dynamic lighting, and reduce blue light exposure before bed.

Adjusting the brightness on your Windows 10 computer is quite simple and can be done quickly if you ever want to change the settings again later.

Select the Notifications icon in the lower-right corner of your Windows 10 computer or tablet's screen to open the Action Center.

In the Action Center, select Expand.