First you have to download Garry’s Mod version [Non-Steam] on the machine.
You then proceed to download the setup (with multiple decompression is always playing), the setup is complete you into the game installation directory and the “hl2.exe” (there is a garrymod.exe again, noting offline), after That game will crash and error (because there is no steam). You follow the steps below:
B1: Double-click on the exe file of the game and Send to Desktop.
Step 2: Move the folder game away, it is recommended you turn on the C drive would be better.
B3: Out Desktop right-click the shortcut you created earlier and select Properties in the shortcut tab, Target box you copy the path to the folder and paste into the game, then you put in behind the path as follows: -steam – garrysmod game -appid 4001 (4001 is the number may vary, depending on which version it will be different, you see it in txt file “steam AppID” offline)
Like this one …. hl.exe “_- steam -game garrysmod -appid 4001 (the” _ “is void offline). Then cells are then replaced by the path Start printing as tren-> Apply-> OK .
B4: You can start playing the game Gmod Free