Installing the HD Project

Installing The ENB
to install this, download the HD Project file and wait till its done now open the ENB + Tweaks.rar and click the folder
custom HD Patch now drop all those files into the game

Matrixcn's 720p cutscenes
to install this open Matrixcn's 720p cutscenes.rar and drop the movie folder into your game directory, replacing the 480p movies w/ 720p ones

LeonX
To install the leonx mod, open the leonx.rar and drag the xfile into the game (the hd leon in the High-Res Characters will replace this though)

High Resolution Characters 
this is complecated, you'll need to drop the xfile in to the game directory for some like usual modding, however some are just the mod files w/ no x file, drop the into
the xfile > em directory

High Def Guns
open the file then drop the em, ogg and xfile into the game directory