1.: Extract "FowlsHack_v1.4.0.zip"
2.: Put all contained files in your Steam Folder into "\SteamApps\common\Unturned\Unturned_Data\Managed\ ", overriding existing files
3.: Start Unturned
4.: On the top-left corner of the screen the message "Fowl'sHack loaded" should be displayed
5.: Press 'M' to open the hacks' menu