Making use of it will keep you safe as well as makes your internet connection customizable according to your needs.
Go to this ip address 192.168.0.1 ( type in browser adress bar)
Userid : admin
Passowrd: Leave Blank or admin
if you cant access the above settings. try this method.
Go to windows command promt by following the instructions given below.
=> Press windows key + R and enter cmd in it or just type command prompt in your start menu. It should show up. when you open it, you will something like the below picture.
You will see a bunch of different adapters listed. choose your adapter, if you are on wifi it says wifi adapter or for ethernet it says LAN.