Use the Wi-Fi status menu on Mac - Apple Support

On your Mac, use the Wi-Fi status menu to connect or disconnect from a network, turn Wi-Fi on or off, and get details about your Wi-Fi connection.

Use Notification Center on Mac - Apple Support

Change a password or user picture on Mac - Apple Support

Sign in or out of your Apple ID on Mac - Apple Support

Have your Mac speak text that's on the screen - Apple Support

How to stop your Mac connecting to the wrong Wi-Fi network

Move and arrange app windows on Mac - Apple Support

Change Finder settings on Mac - Apple Support

Play games on your Mac - Apple Support, gaming online id names

Use Launchpad to view and open apps on Mac - Apple Support

Use Apple Diagnostics to test your Mac - Apple Support

How to reinstall macOS - Apple Support