Forgetting your WiFi password can be a frustrating experience, especially when you have it saved on your MacBook but can't recall it when needed. Don't worry; you can easily retrieve your WiFi password from your MacBook by following these simple steps:

1. Click on the Apple logo in the top left corner of your screen.
2. Select 'System Preferences' from the dropdown menu.
3. Click on 'Network.'
4. Choose 'WiFi' from the list on the left-hand side.
5. Click on the 'Advanced' button in the bottom right corner.
6. Go to the 'WiFi' tab and select your WiFi network from the list.
7. Check the box that says 'Show password'.
8. Enter your administrator password when prompted.
9. Your WiFi password will be displayed in plain text.

Make sure to securely store your WiFi password in a password manager to avoid this situation in the future. Stay safe online!