How do I set up and install my NETGEAR router?

Nighthawk DOCSIS 3.1 Two-in-One Cable Modem + WiFi 6 Router Combo, 2.7Gbps, 90-day of NETGEAR Armor included

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 DOCSIS® 3.0 1.2Gbps Two-in-one Cable Modem WiFi Router

NETGEAR WiFi Mesh Range Extender EX7700 - Coverage up to 2300 sq.ft. and 45 Devices with AC2200 Tri-Band Wireless Signal Booster & Repeater (up to 2200Mbps Speed), Plus Mesh Smart Roaming

NETGEAR WiFi Mesh Range Extender EX7300 - Coverage up to 2300 sq.ft. and 40 Devices with AC2200 Dual Band Wireless Signal Booster & Repeater (up to 2200Mbps Speed), Plus Mesh Smart Roaming

NETGEAR WiFi Mesh Range Extender EX8000 - Coverage up to 2500 sq.ft. and 50 Devices with AC3000 Tri-Band Wireless Signal Booster & Repeater (Up to 3000 Mbps Speed), Plus Mesh Smart Roaming