How to change DNS server settings using Control Panel in Windows 11

Step 1: Enter control panel into the Windows search bar, then click on the Control Panel app. 



Step 2: Click on View network status and tasks.



Step 3: Click on the name of your connection next to the Connections: field.


Step 4: In the status window, click Properties. In the properties window,
select Internet Protocol Version 4 (TCP/IPv4), then click Properties.



Step 5: Select Use the following DNS server addresses: and enter the IP addresses of the DNS servers you want to use.
Then click OK when you’re finished.



Credit : https://www.pdq.com/blog/change-dns-server-settings-in-windows/