hi friends,
I need help to setup BSNL DNA-A211-I wi-fi modem. My Lappy has wi-fi.
now guide me so as i set my connection.
i have got a CD with modem and was able to configure the connection with the tool provided. but i need to know, how do i do it manually.

2. How do i make sure my wi-fi is secure and it cant be used my by neighbour who too has a wi-fi in his laptop.

If you need any more info or any screen shot, do tell me.