LynSys Router

I have a new router which is LynkSys.. that equally divides my internet connection..
Im having problems of setting it up for a small office network…
Can anybody or someone help me please how to configure it to a Small office network..

I try to configure it using the one that i already reseach here at tech which starts at 192.168.0.1 for the other computer is 192.168.0.2 but it didn’t workout…

Our ISP provider is Smart Bro here in the Philippines…..

Some One Help Please

We have our old router that works on the small office network but it didnt work out for the internet it only work for one computer so thats the reason we buy this lynksys ang i find out thats its good but how to set up our office network goshhhhhhh its givin me a headache