Open Control Panel.

Click on Network and Internet.

Click on Network and Sharing Center.

Click the Change adapter settings option in the left pane.

Right-click the active network interface and select the Properties option. Quick tip: You'll know which adapter is connected to the network because it won't have a "Disabled" or "Network cable unplugged" label.

Select and check the Internet Protocol Version 4 (TCP/IPv4) option.

Click the Properties button.

Select the Use the following DNS server addresses option.Quick note: When you select the option to specify the DNS settings manually, the computer will continue to receive the TCP/IP address from the DHCP server (router).

Under the "Preferred DNS server" section, confirm the primary DNS address.If you want to use Cloudflare, Google Public DNS, or Cisco OpenDNS, you can use these settings:

Under the "Alternate DNS server" section, confirm the secondary DNS address the system will use if the primary is not reachable.You can use one of the secondary addresses from these companies:

Click the OK button.

Click the Close button.