How computers perform the release of DNS and update IP commands

The method is as follows:

1, press Win+r key, open run, enter cmd, click OK;

2, in the command prompt interface input: ipconfig/flushdns, carriage return, the local DNS cache can be emptied;

3, Input command: Ipconfig/release, enter, release the local IP address;

4, Input command: ipconfig/renew, enter, you can get a new IP address;

5. Create a new text document and open it, and enter the following code:

Ipconfig/flushdns

Ipconfig/release

Ipconfig/renew

6. Save as a. bat file named "IP empty DNS address", save type "All Files", click Save;

7, when the need to release DNS, update IP when you can double-click the file directly to execute.