So ...

Upon activation, you'll notice a new "FAQs" item in your admin menu.

Now you need to go to FAQs => Add New in order to add your very first frequently asked question. The usual title field is your actual question and you can enter the answer below in the traditional edit area:

Also, on the right hand column you'll notice a "FAQ Groups" meta box which will help you to to sort your questions into topics or sub-sections. Basically, these groups are like categories and sub-categories in your posts ... And this is the option which will allow you to create complex, truly helpful and well-structured FAQs sections ...

Then, simply click the "Publish" button and of course, repeat the process for all other frequently asked questions you want to add.

OK. Now let's see how can you display your newly created FAQs section on your site ...