GordonClassic.zip

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
          • garrysmod <-- Addon folder!
            • e.g.
            • lua
            • maps
            • materials
            • models
            • etc

• garrysmod/
  • lua/
    • autorun/
      • player_manager.lua
  • materials/
    • katharsmodels/
      • gordon_freeman/
        • arm_sheet.vmt
        • arm_sheet.vtf
        • arm_sheet_2.vmt
        • arm_sheet_2.vtf
        • arm_sheet_3.vmt
        • arm_sheet_3.vtf
        • arm_sheet_4.vmt
        • arm_sheet_4.vtf
        • arm_sheet_5.vmt
        • arm_sheet_normal.vtf
        • cloth_underlay.vmt
        • cloth_underlay.vtf
        • eyeball_l.vmt
        • eyeball_l.vtf
        • eyeball_r.vmt
        • eyeball_r.vtf
        • glass_lens.vmt
        • glass_lens.vtf
        • glint.vmt
        • glint.vtf
        • gordon_facemap.vmt
        • gordon_facemap.vtf
        • grn_pupil_l.vtf
        • grn_pupil_r.vtf
        • hair.vmt
        • hair.vtf
        • hevsuit_sheet.vmt
        • hevsuit_sheet.vtf
        • hevsuit_sheet_2.vmt
        • hevsuit_sheet_2.vtf
        • hevsuit_sheet_3.vmt
        • hevsuit_sheet_3.vtf
        • hevsuit_sheet_4.vmt
        • hevsuit_sheet_4.vtf
        • hevsuit_sheet_5.vmt
        • mouth.vmt
        • mouth.vtf
        • others.vmt
        • others.vtf
    • VGUI/
      • player/
        • gordonfreeman.vmt
        • gordonfreeman.vtf
  • models/
    • player/
      • gordon_classic.dx80.vtx
      • gordon_classic.dx90.vtx
      • gordon_classic.mdl
      • gordon_classic.phy
      • gordon_classic.sw.vtx
      • gordon_classic.vvd
  • settings/
    • menu/
      • options/
        • player.txt

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