Find and open System Preferences on your Mac. Click the Apple logo in the top-left corner, then choose "System Preferences" from the menu.
Within System Preferences, locate and click on the Bluetooth icon to access the Bluetooth settings.
Place both AirPods in the case, then open the lid to activate pairing mode.
Hold the button on the back of the AirPods case until the status light blinks white.
Wait for your Mac to detect the AirPods in pairing mode.
Click on the detected AirPods in the Bluetooth settings and select "Connect".
Follow any on-screen instructions to complete the pairing process and establish a connection between your Mac and AirPods.