Chapter 3: Installing Software.
We'll be installing the Chromium web browser for this demo.
For a (possibly) updated version of this, take a look at the original Ask Ubuntu Question.
Step one: Open the Ubuntu Software Center.
To do that, open the Dash and then search for the "Ubuntu Software Center", as shown below:
Now, search for "Chromium" in the search bar, like below:
Click the "More info" button, and then you should see this:
Now, you can click the "Install" button, and it will ask you for your password:
Enter in your password, and then wait for it to install. Once it is installed, it will show something like this:
After that, you should be good to go! You can change "Chromium" to almost anything, the instructions are the same for most software.