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1. First go to Network Connections and then open Local Area Connection
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2. After that, click on the Properties Button and then select the Internet Protocol (TCp/IP) tab and then click on the Properties Button.
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3. Then, navigate to the "Obtain DNS Server automatically" and change it to "Use the Following DNS Server Addresses" then type this in the two boxes:
Preferred DNS Server: 208.67.222.222
Alternate DNS Server: 208.67.220.220
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That's it, you are done!