New desktop with only AC/wifi-6; what can I do to acquire AX/wifi-6 in order to fully utilize my router?

Not sure if this is the correct forum, but I have the Archer AX11000 router and can't help but assume I'm not utilizing it's full capability if (gaming) desktop is only wifi5....if true, how do I upda

(sorry, but got no reply in "App" forum, so I'll try with my experts who've tolerated, er...assisted me already) * Which TP-Link app is the BEST to add to my taskbar? (pc: HP Pavilion Elite 500f -- Wi

yeayeayea, sure this PROVES how 'techno-inept' I am, but when ya got experts readily available..... (pc: HP Pavilion Elite HPE 500f ** downloaded Microsoft Windows10 64-bit during inital release)

We have grandkids not only living with us, but others visiting often; in regards to the grandkids that come visit/then go home, are there ANY security concerns I should be aware of if they "connected"

My wife (Grandma) went to Best Buy to get a couple Fire tablets (Christmas present) so grandkids would quit burning up our phones with RoBlox!! Then she decided to get 4 MORE for our teenaged grandkid