Wireless Connection Help

[Blackwolf_67]

Ok my brothers just brought a (NETGEAR WPN824 WIRELESS MODEM) and i need help, i want to set it up so only my brothers computer and mine are allowed to use the modem, password it so no1 can try and login to the router and use my connection is this possible and if so how do i do it.

cheers

Ps How can i find out who is currently connected to the router ?

 

[Blackwolf_67]

can any1 tell me were i can change these settings as im a complete n00b when it comes to this techno stuff lol i would be very very gratefull.