Drivable 40K Artillery

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
          • 40K artillery <-- Addon folder!
            • e.g.
            • lua
            • maps
            • materials
            • models
            • etc

• 40K artillery/
  • warhammer 40k artillery [wire].txt

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