ITS is gradually improve WiFi service by upgrade WiFi access points that have WiFi 6 capable. Some users using WiFi 5 devices may need to update driver of the wireless network adaptor of their Windows computers (e.g. version before 20.70.0.5 for Windows 10).
 

Procedures to update wireless network adaptor software:
https://www.intel.com/wp-content/www/us/en/support/articles/000005478/network-and-i-o/wireless.html

Identify Your Intel® Wireless Adapter and Wi-Fi Driver Version
https://www.intel.com/wp-content/www/us/en/support/articles/000005655/wireless.html

Windows 10 driver:
https://downloadcenter.intel.com/download/30208/Windows-10-Wi-Fi-Drivers-for-Intel-Wireless-Adapters?wapkw=wifi

Windows 8.1 driver:
https://downloadcenter.intel.com/download/29422/Intel-PROSet-Wireless-Software-and-Drivers-for-Windows-8-1-?wapkw=wifi

Reference:

Intel® Wireless Adapter Supporting 802.11ac Isn’t Showing Wi-Fi 6 (802.11ax) Capable Wireless Routers and Access Points When Displaying Available Networks
https://www.intel.com/wp-content/www/us/en/support/articles/000054799/wireless/intel-wireless-products.html