To set up your Netgear Orbi router, begin by placing the main router near your modem. Connect the router to the modem using the provided Ethernet cable and plug it into a power outlet. Download the Orbi app on your smartphone for an easy setup. Follow the on-screen instructions for Orbi Router Setup, which will guide you through connecting your satellite units for expanded coverage. Once powered on, customize your Wi-Fi network name and password. After completing the setup, perform a test to ensure all connections are stable and functioning properly.