This download looks like a save. You need to place it in your saves 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.
apg123690, 菜的惊动党, piotrnowosielecki91 ***********, lucraft.furry, Craig, BL4Z3R_34, Sanek_, dovdovakin87, S.T.A.L.K.E.R., ImJustMon, dimadima4540, semmitraunt, otherspectre, provaider vlad RePack by xatab, Ультрамарин, ГЕЙМКОТЭ^_^, Bart, killer9285, Strelok, Destroyer, borailhan34, borderboxergreen, dox_2345, Инспектор, cwsbad75rus, irfras2215, springtrap896, hasanaly4656, The Greatest Dante, imperiustar, L.T Nova, PantasTheDank, deanainsleysowden, lordy, D'vuar, lalalienlaf, Sandman, badaidp, emrepisket9, agnius.sadauskas, X.Borg Firaga (F2P), Chakotay02, aynurdogan476, kkhchtheiyr, ahriman the exile , Shone, MARINKO MAGLA, -_Mmd_-, sam.n.cheese1234, Dxzl +380 others
