1. Click the Start menu, then select Control Panel.
Windows 7 may prompt you for permission to make network setting changes.
6. Click the radio button 'Use the following DNS server addresses:' and type in OpenDNS' addresses in the Preferred DNS server and Alternate DNS server fields.
7. Click the OK button, then the Close button, then Close again. Finally, close the Network and Sharing Center window.
At this point, we recommend that you flush your DNS resolver cache and web browser caches to ensure that your new DNS configuration settings take immediate effect.