1. dns reasons. If we get the dns automatically, we can try to modify it. Otherwise, we can set it to automatically get it, you can change the adapter settings (control panel \ network and Internet \ network connection), select the network connection you are using, right-click Properties, network, TCP/IP protocol, change the DNS address to 8.8.8.8 or another DNS address.
2. For the system's firewall reason, go to the "control panel" and find the firewall. Then, click "close firewall". This is very simple.
3. Network connection reason, control panel \ network and Internet \ network connection, select Ethernet connection, right-click properties, and remove the check before internet version 4 and Internet version 6. OK, then you can enter the application marketplace.
4. Another problem is that the app store network is faulty. We only need to wait for the official solution. It is very simple.