@Marvin_S Yes, I got it. I have some question. Do you have thai language support? Thank you so much.

@Marvin_S I have turned off Firewall on pc but I still can't RDP to pc from global network. please help me.

@Marvin_S Before that I use old main other router, I can access server via IPv6 with microsoft remote desktop app from global network and local network. After that I setup Archer AXE75 to main...

I set it up but I can't access windows server from global network. please solve them.

This case was Solved in this topic https://community.tp-link.com/en/home/forum/topic/668502?replyId=1362828

@Marvin_S Thank you.