You need to activate your IP address to start using SmartDNS. Login to Client Area, go to Services -> View Details and click on Update IP button. IP address needs to be updated every time it changes.
Right click on internet connection icon at the right corner of your taskbar and select Open Network and Sharing Center.
Click on active connection.
Click Properties button.
Uncheck Internet Protocol Version 6 (TCP/IPv6) then select Internet Protocol(TCP/IP) and click on Properties.
Select Use the following DNS addresses and fill our DNS addresses. Make sure to check Validate settings upon exit and then click OK.
*Using the closest location will give you better speed of dns resolution.
Preferred DNS Server: 18.104.22.168
Alternate DNS Server: 22.214.171.124
Preferred DNS Server: 126.96.36.199
Alternate DNS Server: 188.8.131.52