Editing DNS in Windows is actually pretty easy. First step is to open up your network connections.
From here we are going to select our internet connection and a screen should come up like below:
From here we will press the properties button and then select the tcp/IP settings:
Down at the bottom you should see the radio button “Use the following DNS server addresses:” you will want to put your new DNS entries here.
Hit the OK button and the OK button again. Your DNS is now updated.