The list of existin FAQ is right under the ADD button.
the flag at the item can be clicked at, and will desable / enable the item in the listin at you site for give language version of the site.
This can be done as well at the edit view, by toggle the check box
The button will bring up the form
, that you need to complete the question for all active language versions.
Clicking the button will redirect you to the question editing page, where you can modify the question text if necessary. The "Question Sub" field allows you to add supplementary text to further clarify the main question.
The "Content" field is intended for the answer to the question.
Don't forget to edit all language versions and after each edit.
You wish to link the FAQ, that can be done by check box in the connection