Unmasked HD TF2 Spy by Jason278

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
          • HD unmasked Spy <-- Addon folder!
            • e.g.
            • lua
            • maps
            • materials
            • models
            • etc

• HD unmasked Spy/
  • materials/
    • models/
      • Unmask/
        • shared/
          • dxlevel80/
            • eyeball_l.vtf
            • eyeball_r.vtf
            • iris_blue_l.vtf
            • iris_blue_r.vtf
            • iris_brown_l.vtf
            • iris_brown_r.vtf
          • eye-cornea.vtf
          • eye-extra.vtf
          • eye-iris-blue.vtf
          • eye-iris-brown.vtf
          • eye-reflection-cubemap-.vtf
          • eyeball_invun.vtf
          • eye_lightwarp.vtf
          • shared_normal.vtf
        • spy/
          • eyeball_invun.vmt
          • eyeball_l.vmt
          • eyeball_r.vmt
          • hwm/
            • spy_head_blue.vmt
            • spy_head_blue.vtf
            • spy_head_blue_compress.vtf
            • spy_head_blue_stretch.vtf
            • spy_head_exponent.vtf
            • spy_head_red.vmt
            • spy_head_red.vtf
            • spy_head_red_compress.vtf
            • spy_head_red_stretch.vtf
          • mask_demo.vmt
          • mask_demo.vtf
          • mask_engi.vmt
          • mask_engi.vtf
          • mask_heavy.vmt
          • mask_heavy.vtf
          • mask_medic.vmt
          • mask_medic.vtf
          • mask_pyro.vmt
          • mask_pyro.vtf
          • mask_scout.vmt
          • mask_scout.vtf
          • mask_sniper.vmt
          • mask_sniper.vtf
          • mask_soldier.vmt
          • mask_soldier.vtf
          • mask_spy.vmt
          • mask_spy.vtf
          • spy_blue.vmt
          • spy_blue.vtf
          • spy_blue_gib.vmt
          • spy_blue_gib.vtf
          • spy_blue_invun.vmt
          • spy_blue_invun.vtf
          • spy_exponent.vtf
          • spy_hands_blue.vmt
          • spy_hands_blue.vtf
          • spy_hands_exponent.vtf
          • spy_hands_normal.vtf
          • spy_hands_red.vmt
          • spy_hands_red.vtf
          • spy_head_blue.vmt
          • spy_head_blue.vtf
          • spy_head_blue_invun.vmt
          • spy_head_blue_invun.vtf
          • spy_head_exponent.vtf
          • spy_head_normal.vtf
          • spy_head_red.vmt
          • spy_head_red.vtf
          • spy_head_red_invun.vmt
          • spy_head_red_invun.vtf
          • spy_normal.vtf
          • spy_red.vmt
          • spy_red.vtf
          • spy_red_gib.vmt
          • spy_red_gib.vtf
          • spy_red_invun.vmt
          • spy_red_invun.vtf
          • spy_refractnormal.vtf
  • Models/
    • Unmask/
      • HDF.dx80.vtx
      • HDF.dx90.vtx
      • HDF.mdl
      • HDF.phy
      • HDF.sw.vtx
      • HDF.vvd
  • settings/
    • spawnlist/
      • the Spy unmasked HD hexed.txt

Nightmare, yamenturk2010, yamenturk2010, gabybarrocos, AxmyvHD, ChaosCharza, VW Beetle, mossesx, zsopyryaev, HAY - LAYF YİYEN PANDA, (nope, antoniolara555, d.murphy1227, Revolver Ocelot, sebabenitesz, 팀탐, papyrus, temmie (ned monees fo wepon), Nilonaut, gviktor2006, Dual Clash, tanyusha-89, MOKEY IS HERE :DDDDD, Tray DA Patriot [DGS], Tray DA Patriot [DGS], PlagueGiver, lucapromo, amharstomer53, amharstomer53, amharstomer53, amharstomer53, pedro de alemania, ⏚, gabculCZ, seagull, MetroidJunkie, kazekasai, kaloyan5522, Woody, Undertaleguy123, Enda, Nef, orcclans, The Doomsdayzoner, The Doomsdayzoner, sphinxik12, Samy aissa el bey, Mati.Wilku, gir56, gir56 +12 others