Here is a guide to install Steam on Ubuntu 14.04
Steam is the ultimate entertainment platform. Play, connect, create and more. Install Steam today and start gaming! Read more about Steam.
To install Steam open a terminal window (press Ctrl+Alt+T) and copy+paste the following line:
sudo apt-get install steam -y
When Steam is installed you can close the terminal window.
To start Steam press the SuperKey and type: steam
If you end up with no search result for Steam you need to restart your computer.