Ever had a guest who wanted your WiFi password, and you forgot what it was? Mac OSX has a neat feature to allow you to fetch it from any already-known network. We'll show you how!
1. From the Apple Menu, open "System Settings" (formally System Preferences):
2. Next, navigate to network:
3. Next select Wi-Fi:
4. Finally, click the circle with the three dots in the middle to the right of your network, then select "Copy Password", this will copy that networks WiFi password to your clipboard.
5. Once in your clipboard, you can paste the password into any text editor or any box where you can input text on your Mac.