Windows 10’s Night Light feature is a built-in tool that can help reduce eye strain when using your computer at night. Here’s how to use Windows 10’s Night Light feature:

1. Open Settings: Click on the Start button and select the “Settings” gear icon, or press Windows key + I on your keyboard.
2. Select System: In the Settings app, click on “System”.
3. Select Display: In the System settings, select “Display” from the left-hand menu.
4. Enable Night Light: Scroll down to the “Night light” section and toggle the switch to “On”. You can also adjust the “Color temperature at night” slider to your preferred level of warmth.
5. Customize Night Light Settings: Click on “Night light settings” to further customize the feature. You can adjust the schedule for when Night Light is turned on, or turn on “Turn on now” to immediately activate the feature.
6. Test Night Light: To test Night Light, you can click on “Preview” in the Night light settings.
7. Turn Off Night Light: To turn off Night Light, simply toggle the switch in the Display settings back to “Off”.

In conclusion, Windows 10’s Night Light feature is a simple but effective tool for reducing eye strain when using your computer at night. By enabling Night Light, customizing the settings, testing the feature, and turning it off when not needed, you can protect your eyes and make using your computer more comfortable in low-light conditions.