How do I change the 802.11 mode on my router?

What is Wi-Fi (802.11x Standard)?

How do I change the Wi-Fi Password on my router?

IEEE 802.11 - Wikipedia

11.11. IEEE 802.11 WLAN Decryption Keys

Chapter 11. Trouble Shooting; Internet Connection - D-Link DSR-250 User Manual [Page 158]

How do I change the Wi-Fi Password on my router?

How to Change Between 2.4GHz and 5GHz WiFi Bands on Windows 10

How to Change Your Wi-Fi Channel (And Improve Performance)

802.11g Wireless Turbo PC Card, PCI Adapter, and Multi-function

How do I change the SSID/network name of my router?