Chromium is free version of Google Chrome browser; This is the browser on which Google based its code. Currently both browsers share many of their characteristics, although there are some small differences.
Install Chromium on Kubuntu 12.04 -or Ubuntu, or any of the distributions of the family - it's super simple thanks to the fact that the browser is in the official repositories of the distribution. So let's try first installing graphically using the package manager de Muon.
Graphically
Press Alt + F2 and type "muon package manager". Select the option for the manager, not for updates.
Now search for Chromium and check to install.
You will be notified of the dependencies, in this case of the language pack and of codecs to be able to play multimedia content.
Accept the changes.
You can preview the changes that will be made to the system if you wish. Then just click Apply changes. You will be asked for your password, enter it and then the installation will begin.
From the console
Open a console and type the command:
sudo apt-get install chromium-browser
Enter your password. You will then be notified of the dependencies. Press the «S» key to accept the changes and the installation will begin.
Now just press Alt + F2 and type "chromium" to launch the application.
More information - Install Opera 12.02 on Ubuntu 12.04