Does Windows 8 1 Have a Blue Light Filter?

Does Windows 8 have night mode?

What you can do is download Iris. This software has a smart inversion mode (a couple, if I have to be accurate) that will let you have a night mode on everything, not just the apps.

Is there a blue light filter on my computer?

Filtering screen covers

Physical blue light filters are the easiest and best way to reduce your blue light exposure. Some blue light filters for PCs are just a clear piece of plastic material that covers your monitor, while other filters come in the form of blue light blocking glasses.