The Garry's Mod is missing addons, npc, etc. (VERY RECOMMENDED)
(Go to "Extra" to see a video on how to download Garry's Mod.)
2.) Download the Gmod Torrent.
4.) Download the Garry's Mod Addon Pack.
5.) Go to the torrent and uncheck the ReadMe, Tools.7z, GMOD_GCFs.7z.
6.) Once it downloads, open Bittorent, right click on the torrent you just downloaded. And click open containing folder. Open Content_GCFs,right click and press extract here. When it opens, leave the folder aside and open the garrysmod content. And drag the fle into the Content.GCFs folder. Close the garrysmodcontent folder. Then go to My Computer/Program Files/Valve/Garry's Mod/ then go to the rev. And look at the top, and you will find "CasheEnabled=flase" and replace flase with True. Then look down at the "CashePath=C:\Steam\SteamApps" and make sure that it says CashePath=. then go back to the ContentGCFs folder. Go to the top, then Copy Address As Text. (Windows Xp users, just highlight and copy) Then, go back to the rev, and paste the address right next to the = sign. So it should say, "CashePath=C:\Users\yourname\Downloads\Garry's Mod 11\Content_GCFs" or something relative to that. Then go to File and press Save, then close rev and the Content_GCFs. Leave the C:\Program Files\Valve... open, then copy the Clientregistry.blob, and paste it in the C:\Program Files\Valve.... Then close that, and open that up. Then go to C:/Program Files/Valve/Garry's Mod/garrysmod. Then go back to the folder you just opened and drag all the files in that folder and put it in the Valve folder you opened. (MAKE SURE THAT IT DOSENT GO INTO ANY OTHER FOLDER) then do the regualr press yes to overwrite, check the boxes, everything.
7.) Then run Gmod. Then once the main menu has been loaded. Go to the GMod Settings, and Check all the boxes. Then close that, and restart Garry's Mod. So just Exit the game, and Play Garry's Mod.
8.) Last but not least, go to the "Addons" tab to learn how to add stuff to the game. (RECOMMENDED)
9.) If you have any questions comment on my Youtube Channel or Email me at [firstname.lastname@example.org]