Connecting a Brother printer to WiFi involves a few simple steps. Turn on your printer and press the "Menu" button. Use the arrow keys to navigate to the "Network" section and select "WLAN." Choose "Setup Wizard" and let the printer search for available networks. Select your WiFi network and enter the password when prompted. Confirm the settings to establish the connection. Ensure you have the latest drivers installed on your computer to complete the setup process. Detailed instructions can be found in your printer's user manual.