How do I set up and install my NETGEAR router?

NETGEAR Nighthawk Modem Router Combo (CAX30S) DOCSIS 3.1 Cable Modem and WiFi 6 Router - AX2700 6.0 Gbps - Compatible with Xfinity, Spectrum, Cox, and More - Gigabit Wireless Internet - NETGEAR Armor

NETGEAR Nighthawk Smart Wi-Fi Router (R7000-100NAS) - AC1900 Wireless Speed (Up to 1900 Mbps) | Up to 1800 Sq Ft Coverage & 30 Devices | 4 x 1G Ethernet and 2 USB Ports | Armor Security

NETGEAR WiFi Mesh Range Extender EX7000 - Coverage up to 2100 sq.ft. and 35 Devices with AC1900 Dual Band Wireless Signal Booster & Repeater (up to 1900Mbps Speed), Plus Mesh Smart Roaming