This download looks like an addon. You need to extract the downloaded zip and put the addon folder in your Garry's Mod addons 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.
dbzlover05, asstelevy, Aquarius, Pipepe, Georgeman55, manugomez1997yo, Littlelink612, Alanlion, gustavoacunalira4, Mr. Blank, Aidanryanespinoza, ✝ AnuBis ✝, rodrigojoser99, I Am Deliria, YC61, ゆーちゃん88, Andy123CZ, chinoculiao, filth bread, inacio1473s, gisel.escare877, elbixgamer, L, CrazyMius, mockingbird52812, Goatzer, Lynch, Big Daddy, thecoolclub.wm, saleemshiyama, patchavan7, , sonic123speedup2, sonic123speedup2, MasterMiND, [OTKU-GMRS] panacotta fugo, NAJIB, Obi-Wan Kenobi, sebasg12321, Pandinity, davimnpereira, saitopuroto, snipernoodles, ShAd0w, lamalomo1222, tranviethailong2012000, vanhuy, minht9606, Cream π, Neeraq +94 others
