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TCP/IP 4 and 6, how to know my PC and internet already taking advantage on it ?

Last Modified: 2020-07-07

I have a concern on my home PC 's internet speed, and I known that TCP/IP 4 is for old world and I am checking on TCP/IP 6, it seems that my Windows 10 already running ip v 6 but I check my network adapter setting both TCP/IPv4 and tcp/ip6 is not on at all for a long time, and I am not sure about why internet working fine.

so for one of my network adapter I select TCP/IP v6 for it but I am not sure if I take advantage of v6 already, how can I verify !

I see from network properties that v6 is enabled with v6 address ,so this means it is already on, but how can I verify it further ?

v6 give greater speed on internet , e.g. youtube ?

how to make sure that my router take advantage of v6 too ?
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