TP-LINK TD-W8961N Modem router - How to change DNS servers

Mediaket shows you how to change the DNS  servers in TP-LINK TD-W8961N modem in 1 minute.
Changing your ISP's DNS servers can help to: ...

Increase speed browsing by moving to a faster DNS server
Accessing blocked websites
Improve security by changing to more secure DNS servers
Keep your children safe by blocking inappropriate websites by selecting a Family Safe DNS server.

TP-LINK TD-W8961N - 300Mbps Wireless N ADSL2+ Modem Router:

All-in-One Device: ADSL2+ Modem, NAT Router, 4-Port Switch and Wireless N Access Point.
Wireless N speed up to 300Mbps makes it ideal for heavy bandwidth consuming or interruption sensitive applications like online gaming, Internet calls and even the HD video streaming.
Easy Setup Assistant with multi-language support provides quick & hassle-free installation.
Easy one-touch wireless security encryption with the ‘WPS’ button and easy Wi-Fi On/Off button.