Hi, I bought this  four extenders some years ago from Amazon, I thought I had only to plug the extender to the AC outlet and that was all, today I know it was not so simple,  actually I bought a Tp-Link 741ND router, configure it with my Toshiba Laptop and started navigating the web, but as I have this four extenders  TL-WR700N I would like to use them as there are some places in my home with poor signal. I downloaded the user manual but really I find it very much complicated to understand so I am looking for help. The TP-LINK 741 ND does not have the button for pairing the extender which also does not have that button so I imagine I have to use the network cable and try to pair the extender to the actual WiFi net. Could somebody help me with this issue? Really I don't understand many of the actions required in the user manual. 

Best regards and hoping someone can help me. 

TEEHDRV