Setup and confifuration of my linksys befsr41 ver 2 router

bought the linksys befsr41 ver.2 router just about 2 years ago it didnt have the disc i called the company they where going to send it they never did but a friend of mine had same router he sent me the disc threw icq router worked pc died that i had the file on i called linksys trying to get the disc still havent got it need hep configuration and setup of the router again it a linksys befsr41 version 2 hope ssomeone csn help me out last time when my friend sent me the disc it worked just after i ran the file and setup the router