The Steam-Community to disable it in all Games
- Log in to Steam and click on the top left in the tab on "Steam". In the context menu select "properties".
- You go to the tab "In game". There you will find the Option "enable Steam Community in-game". Remove the check-mark to disable the Steam Community.

For all games disable
So you have to disable the Steam Community in Games
- Click in the main window of Steam on the tab "library".
- Select by right-clicking the game in which you, the Community, want to disable. In the context menu, then go to "properties".
- In the tab "General" you will find the entry "enable Steam Community in-game". You remove the hook.

For individual games off
The manual refers to the Steam v012. How to download games on Steam without a credit card buy, shows this practical tip.
