Move folders (the ones directly containing the addon.lua files) to mods/saves/ACH Addons/Crosshairs/. (If this directory does not exist, please install Advanced Crosshairs and launch the game, or create the folders yourself.)
Contents:
Both Simple and all Complex reticules:
Pistols
SMGs
Rifles
Shotguns
Grenade Launchers
Rocket Launchers
Thrown weapons
Crosshair settings can be further configured via the in-game mod options menu from Advanced Crosshairs.
