How do I turn on Wi-Fi on my MacBook Air?

You can turn on Wi-Fi on your MacBook Air through System Settings. Here's how:

1. Open System Settings: Choose the Apple menu  in the top-left corner of your screen. Then select System Settings.
2. Navigate to Wi-Fi settings: In the System Settings window, find and click on Wi-Fi in the sidebar. You might need to scroll down to see it.
3. Turn Wi-Fi on: In the Wi-Fi settings, you will see a toggle switch to turn Wi-Fi on or off. Simply click the switch to the On position to enable Wi-Fi.

That's it! Your MacBook Air should now be connected to Wi-Fi, allowing you to browse the internet, check your email, and more.