Don't worry! If you don't fancy fitting the hood yourself you could always let us fit it, see details here.

In general, to fit a complete hood properly you will need the following tools:

Phillips Screwdriver
Flathead Screwdriver (to remove trim)
10 and 12 mm Socket
Rivet Gun
Drill and some Metal Bits (4-6mm should do)
Someone to help you lift the hood frame off the car
Large vocabulary of swear words
Patience
Half a day of time

In addition you may find the following helpful:
Pliers (probably)
Sidecutters (probably)
Black Duck Tape (to mend rain rail if needed)
More swear words you hadn't thought of earlier
Hood Fitting DVD (available on this site - this is highly recommended as it contains many tips and tricks not included in the written instructions)