You will have to launch the game from the file location or through a shortcut to the. (Keep in mind that this is not a traditional mod, but an alternate game launcher. (Please install all of these to prevent errors from missing plugins) However, many mods in this list depend on one or multiple of the mods listed below:
There are plenty of guides out there that can show you how to do just that in much greater detail. This guide is NOT about how to install mods.