How to download mods from devint art gmod

Updates

*22/03/17
Le image i was reacting at that date
Welp.
It is time to work!

*06/01/17
-Designed something for the Description
-Reworked some Questions and Answers
-"Now since its been a while ,and that we are getting close for 10k Views , i may have that probability to create another tutorial for all whoever doesnt have Garry's mod Puchased in steam ,if we get 10k views , will try my best to give this gift for all of you mates!"

*12/07/16
"WOW , WE REACHED THE 5K Views! , THANKS A LOT GUYS!"
-Updated Q&A
*03/07/15
-Updated and added new question
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First "ttorial" (niko pls)

This tutorial is only for Steam user's that they already puchased the game ,I Created This tutorial for the help of those users who doesnt know how to install a non-workshop addon , due to The Latest Gmod's Updates

Extended Spawnmenu: steamcommunity.com/sharedfiles…

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Questions and answers

Q: Why i need The Workshop Addon "Extended Spawnmenu"?

A: Extended Spawnmenu is a Add-on Script which add Abilities at your Spawnmenu
in this case , one of them gave us the ability to Install Addons in the old style of the gmod (Before The rise of gmod workshop)}
and find them easily via folder legacy addons on the spawnlist

Q: Why the addon I Installed Doesn't Load?

A: There are 2 Reasons
    1-The addon doesn't have The Folder "Models" which it cause the addon not work completely
    2-You installed Incorrectly the folder "Models" And/or "Materials"
    3-the addon is not compatible with the game ,and only works with another (example ,SFM)

Q: When i spawn a Model , it Has Black&Purple Squares , Why this happened?

A: V
     1-.if the addon asks a Source game content like team fortress 2 , portal or Counter strike Source  , be sure to have them installed at garry's mod , if not ,you have to puchase Their games or alternative , find a page which they can give you the content
     2-. Materials are corrupted or wrong placed (example ,bad directory from the materials)

Q: When i Spawn a Model , its invisible , why it is not showing while the ragdoll is still there?

A: Its because it probably is not compatible with your game , example , The Ragdoll/prop is for only SFM
In this case ,just find another addon that has compatibility of the model
If it says is compatible with Garry's Mod , Contact with the Author of the Model

Q: My Garry's Mod is non-steam (Game not puchased , or pirated game) , how can i get that addon from the workshop?

A: You can follow my new Tutorial Here GmodTutorial #2-Installing Addons For Gmod Pirated

Q: My Addons are not appearing!, How can i fix it!?

A:-Be sure to check That you have installed Correctly the Required Workshop Addon so the Folder "Addons Legacy" would appear
   -Check that your non-workshop addons are Correctly located in The Addons folder with their names , and their "Models & Materials" Folders

Q: My Game Crashes Every spawn , What did you do!!?!?!

A:Im not responsible of any problem you get when installing your non-workshop addon, you must be clear that the addons are uploaded and created from "their creators" , and you must check if they dont have any common problems

Q: Does maps Works too?

A:Yes , But maps has a different Installation for have them in your game,do the next , When you are inside the Game's folder , get in The Folder Garrysmod , and then instead of clicking the folders  "addons" , put your .Bsp File to The Folder "Maps" ,if in any case it has too a .nav file , put it also inside "maps" folder , it will be needed in case you want to do something with The bots in the fact of movement



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If nothing of those questions are here , please comment down so i will try my best to answer.
 
This Tutorial has been created With help of Garry's mod & Photoshop