Facebook Page Publish publishes your posts to a facebook profile or page. To do so, it has to connect to facebook. This is done via a facebook application.
You have to create your own facebook application.
This may require an authentification of your facebook account via a valid mobile phone number or a credit card.
Go to your application's settings page and copy the application ID and the application secret to the approptiate option fields of the plugin.
To authorize your blog to be able to use your application, you have to fill in the URL (without path) and optionally the domain of your blog.
You have to decide where your posts shall appear on facebook: user profile or page?
Go to your facebook page or create a new one where your blog posts shall appear. Copy the page ID to the appropriate option field of the plugin.
If your page does have a customized URL, refer to Find your facebook ID. Otherwise, have a look at the following image:
Go to your facebook user profile where your blog posts shall appear. Copy the profile ID to the appropriate option field of the plugin.
If your profile does have a customized URL, refer to Find your facebook ID. Otherwise, have a look at the following image:
Confirm the plugin settings and don't forget to grant your blog permission to access your facebook page. To do so, simply click the grant permissions button on the plugin's settings page.
Further questions? Refer to the FAQ / forum!