You have enough to make a good beer, what kind of DME do you have ?
Id just save some of those hops for another batch, 4oz is quite a bit.
As far as steps, we really need to know how you brew.
If it were me brewing I would crush grain in my mill (before mill crush grains with a bottle or rolling pin)
Put crushed grain in a new 5 gal paint strainer sack
Im Guessing what you have? 5 gal pot? fill with 4 gal water and heat to 153 deg.
Put 5 gal sack of grain into 153 deg water for 30 min, Stir grain 1 or 2 times during 30 min
Take out sack of grain out
Add 1/2 of the DME into pot and stir
Heat to a boiling
Set a 60 min timer, and add some hops, maybe 3/4 to 1 oz if it were my beer
At 20 min left on timer turn off burner and add another 1/2 oz hops and slowly stir in the rest of your DME
Turn flame back on, watch for a boil over, if it starts to foam up, spray foam with water in a spray bottle
if you want hop smell in your beer add another 1/2 oz of hops with 5 min left on timer
When timer go's off you need to cool beer down below 80 deg, pot into a ice bath in the sink will work
Pour beer into fermenter
Put lid on and install airlock, as soon as beer starts to ferment, cool it down to that yeast's lower end recommended temp
Have you ever brewed before?