It is better to writer in English or I think contact with local support would be a good option : http://www.tp-link.com/en/support-contact.html

It seems this one do not support access point mode, when open the FAQ [URL]http://www.tp-link.com/en/faq-1401.html Click on This Article Applies to, This model RE370K is not in the list.

Press the reset button for 10 seconds , then login to the interface of the extender, update the firmware first refer to the FAQ I send you before. then go to quick setup to reconfigure it

I have this adapter two , so far , it works fine on my win10 PC . Have tried to test this adapter on any other computer to see what happen? I think contact tp-link support would be an option for this...

For this problem, I think contact the tp-link support team for further help would be a good choice

As fas as I know, client mode is wirelessly connect to your main wifi network and then you can connect the PC to the WR802N and get internet. For your self-written software creating a system of...