Slot Machine - by Drunkie

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:

• steamapps
  • common
    • garrysmod
      • garrysmod
        • addons
          • data <-- Addon folder!
            • e.g.
            • lua
            • maps
            • materials
            • models
            • etc

• data/
  • adv_duplicator/
    • !slot machine by drunkie.txt
    • gmflatgrass0044.jpg

OnHeyMis, discord.cosmicstar3749.dev, FaucetHead, James Scott, Austin5098, TypicalDad, ajsmommy926, ajsmommy926, xveb, Woozie, Dyszz, CreonX, Sleepy Slime, 2EZ4JC, Loki Laufyson / Smitty Werban, Zytex, k_rauth29, Strelome, PM4444, Zerey_Tii, թinλplle ツ, gustito123, Джеб Керман, gamekiller 3.0, LIL YING YING CHING CHING, Issei, Pan Naczos, hollow knight, Suprise!, Ramo58tr, Yahzy, MIKO, Max, bister9999990, bister9999990, Doritos® Glimmer Flavour®, Watermelon, oops_wine, oops_wine, oops_wine, oops_wine, oops_wine, battlefilm052, ghostxxss54, Аюб, santinocabrera2510, Stealth, [102nd] Kebab, Osk_MyrKush, RobertB0ss +1889 others