so go to your ppg game root. then download the file from the front page. drag in drop it into the mods folder in your game root (if u dont have a mods folder create one and name it "Mods").
go to ur game and activate the mod.

still dont work? my lightsabers work here are suggestions:
be on the latest version of ppg.
dont subscribe, do it manually (instructions are on front page)
enable the mod
turn bloom on
summon a saber and press f on it to activate