Follow these steps to change a DNS server on Windows:
Open the control panel.
Click on Network and Internet, followed by Network and Sharing Center.
Click on your internet connection.
Navigate and open the properties of the network.
Choose Internet Protocol Version 4.
Now click on properties, followed by choosing “Use the following DNS server addresses.”
Enter “8888” in the preferred DNS server and “8844” in the alternate DNS server.
Save the changes and restart Windows.