Place the garrysmod10 folder into your Steam directory at C:\Program Files (x86)\Steam\steamapps\sourcemods .
Complete the purchase. The game will appear in your . Click Install to download the latest version to your PC. Downloading the Classic Version 10 Garrys Mod 10 Download PC Game
Download the "Garry's Mod 10 Classic" files from community archives like Steam Community groups or ModDB . Place the garrysmod10 folder into your Steam directory
Garry's Mod 10 , released on November 29, 2006, was the first commercial version of the game published on Steam. While the current version of Garry's Mod on Steam is the most up-to-date version (often referred to as version 13), you can still download and play the specific "Garry's Mod 10" experience if you own the base game. Official Purchase and Installation Click Install to download the latest version to your PC
Restart Steam; the version should appear in your game library as a separate entry. Game Information : Sandbox. Developer : Facepunch Studios. Publisher : Valve.