Learning How to Log In to the D'Link Extender is essential for managing its settings and optimizing your Wi-Fi network. To access the extender, connect your device to its network, open a web browser, and enter the default IP address (192.168.0.50) or web URL (dlinkap.local). Then, input the default username and password to log in. Once signed in, you can configure Wi-Fi settings, update firmware, or troubleshoot connectivity issues, ensuring your D'Link extender performs at its best.