eq/xover and amp settings

I've just put in a system at a fairly reasonable price, my problem i haven't installed a system in over 20yrs once i got started it all came back except #1 crossovers,EQ's and a lot of the other new tech they have these days, so i put in an ALPINE CDE-BH178BT, 10IN KICKER L7 2ohm, 4 POWER...