How do I set up and install my NETGEAR router?

Nighthawk DOCSIS 3.1 Cable Modem Router - C7800 | NETGEAR

NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000) – Approved for Today’s Fastest Speeds - Works with All Providers Incl. Xfinity, Spectrum, Cox - for Plans up to 2.5Gbps

NETGEAR Ultra-High Speed Cable Modem – DOCSIS® 3.1 for XFINITY® from Comcast, Spectrum® & Cox® (CM1000-100NAS)

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 Nighthawk WiFi 6 Mesh Range Extender EAX80 - Add up to 2,500 sq. ft. and 30+ Devices with AX6000 Dual-Band Wireless Signal Booster & Repeater (up to 6Gbps Speed), Plus Smart Roaming