connect airpods to PC

See "Use AirPods with a non-Apple device" here.

Set up AirPods with your Mac and other Bluetooth devices - Apple Support

If you have windows pc, then you go to settings and go to Bluetooth & other devices and click on Add Bluetooth or other devices and click on Bluetooth. While you are doing that, press and hold the pair button on the backside of your Airpods till the light on your Airpods turn white and your Airpods shows up on your screen and connect to your Airpods. After that you shall see that you have an option to switch to your AirPods when you go to your volume setting on your taskbar and click on the little arrow on the top of the volume setting .

How to connect AirPod to PC?