This download looks like a map. You need to place it in your maps folder inside the Garry's Mod folder.
You should end up with a directory structure similar to below
Don't know where the Garry's Mod folder is or how to extract zip files? See more useful installation tips.
criscrow, jhonalexandercorreaherrera, jhonalexandercorreaherrera, rhap99, fgcgcgcg3, [TRC]RASCAL, masascuate666, efemustafa3541, laoso9, MADCAT205, Sturmgewehr Gaming, juarly, [MG-SM] ๖ۣۜSofics, Eldestish, Haggebuddne, 9 night, clever, [TRADEIT.GG]-{Brony}Inferno, B0Ç ¯\_(ツ)_/¯, ttvMiniBlaster1, Rifleman354, aveliz771, banettetejode.yt.2.0, 把哪哪之神, Cynical Sinner, Cynical Sinner, AMLO_2024, thekillernob2725, mossesx, SGC | Vicky (AFK), Biggest_Sauce, Yuudachi70, Farifafa, Gregoru3746, kefir4uk, Hershel Carson, augengeradeaus, cheezitupp, thybax TV, BokMustang, ♕ Fykon ♕, efemert52, ☢ICBM☣ high as a ✈, daniel555dpm, ☢ troll_extreme ☢, Steve, RGamers, MauriceKrabs, Mongou Junge, universer +48 others
