Windows 7
Here we show you step by step instructions how to change the DNS settings of Windows 7
1. Click on the start button and select ControlPanel

2. Click on “Network and Internet”

3. Click on “Network and Sharing Center”

4. In the view of you active networks click on “Local Area Connection”

5. In the window “Local Area Connection Status” click on “Properties”

6. Now select “Internet Protocol Version 4” and click on “Properties”

7. In this window select “Use the following DNS server addresses” and enter the IP 37.235.1.174 in the field for preferred DNS server.

Screenshot provided kindly by an user