How to setup Yii Poll?

Hello guys, i really need your help…

I want to install Poll ( at my website, but i confused about the set up installation :( .

At the website he just said "*An example of this type of setup is explained here: Building a Blog System using Yii", but you know, when you go there, there is nothing.

I confused about this step:

‘import’ => array(




Am i must to create manually folder "modules" inside "protected" folder??

Please help and guide me…

Thank you for your attention.