Mafia II Pack P1

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
          • mafia2 <-- Addon folder!
            • e.g.
            • lua
            • maps
            • materials
            • models
            • etc

• mafia2/
  • materials/
    • models/
      • mafia2/
        • ascotbailey/
          • Ascba_cr.vmt
          • Ascba_cr.vtf
          • Ascba_cs.vmt
          • Ascba_cs.vtf
          • Ascba_cs_n.vtf
          • Ascba_in.vmt
          • Ascba_in.vtf
          • Ascba_n.vtf
          • Ascba_r.vmt
          • Ascba_r.vtf
          • Ascba_r_glass.vmt
          • Ascba_r_glass.vtf
          • engine_compartments.vmt
          • engine_compartments.vtf
          • gplc.vmt
          • gplc.vtf
          • gplc_n.vtf
          • wheel_univers_d.vmt
          • wheel_univers_d.vtf
          • wheel_univers_n.vtf
        • cop/
          • eyeball_l.vmt
          • eyeball_r.vmt
          • MIP_CPOLI1d.vmt
          • MIP_CPOLI1d.vtf
          • MIP_CPOLI1sn.vtf
          • MIP_CPOLI2d.vmt
          • MIP_CPOLI2d.vtf
          • MIP_CPOLI2sn.vtf
        • joe/
          • eyeball_l.vmt
          • eyeball_r.vmt
          • JOEOBLD2d.vmt
          • JOEOBLD2d.vtf
          • JOEOBLD2n.vtf
        • vito/
          • Copy of VITOL1d.vtf
          • eyeball_l.vmt
          • eyeball_r.vmt
          • pupil.vmt
          • pupil.vtf
          • VITOH_001d.vmt
          • VITOH_001d.vtf
          • VITOH_001n.vtf
          • VITOH_d.vmt
          • VITOH_d.vtf
          • VITOH_n.vtf
          • VITOL1d.vmt
          • VITOL1d.vtf
          • VITOL1n.vtf
  • models/
    • mafia2/
      • cop1.dx80.vtx
      • cop1.dx90.vtx
      • cop1.mdl
      • cop1.phy
      • cop1.sw.vtx
      • cop1.vvd
      • joe.dx80.vtx
      • joe.dx90.vtx
      • joe.mdl
      • joe.phy
      • joe.sw.vtx
      • joe.vvd
      • vehicles/
        • ascotbailey.dx80.vtx
        • ascotbailey.dx90.vtx
        • ascotbailey.mdl
        • ascotbailey.phy
        • ascotbailey.sw.vtx
        • ascotbailey.vvd
      • vito_coat.dx80.vtx
      • vito_coat.dx90.vtx
      • vito_coat.mdl
      • vito_coat.phy
      • vito_coat.sw.vtx
      • vito_coat.vvd

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