Change DNS server to solve the problem of Win10 system update download failure

Microsoft officially recommends two sets of DNS servers: 4.2.2.1 and 4.2.2.2.
The specific change method is as follows:
We know that in Windows10/Windows7/Windows 8.1 system we can customize the DNS server, the method is as follows ——
Manual change method:
At the bottom right corner of the system find the network icon (small computer or wireless WiFI icon), right-click and select & ldquo; open network and sharing Center & ldquo ;, as shown below:




automatically update a key switch system DNS method:
download software: soft media Cube