Downloading copyrighted material without authorization is illegal in most jurisdictions. Your ISP may issue warnings, or worse.
Ensure you have Steam installed and that CS:GO is in your library. download counter strike global offensive offline
Launch Counter-Strike: Global Offensive directly from your library . Method 2: Launching Local Practice Matches download counter strike global offensive offline
After the game is fully downloaded and you have launched it at least once online (to verify files and log in): download counter strike global offensive offline