Use of Backlight's Wordpress Add-on first requires the separate installation of Wordpress. This is a simple process, and often can be automated through your host. See your host's information for details, or download and install Wordpress manually.
Personally, I prefer the manual installation, but you do you.
Our only requirements are as follows:
You might be wondering about where to setup your blog in relation to Backlight. Assuming you're running the Backlight + Pages bundle, then your site structure probably looks something like this:
Above, the index.php and .htaccess files belong to Backlight.
In such a case, Backlight would be powering your Home page, and so you'd want to install Wordpress into a new folder. You may name this new folder as to your own preference. In our examples, we will use the name “blog”, and so our Wordpress installation will be located at http://domain.com/blog.
If you are not using Backlight's Pages module, or if you simply prefer to use Wordpress for your Home page, then your site root might look like this:
You may then intermingle these folders with your Wordpress installation:
In this scenario, the index.php and .htaccess files belong to Wordpress.