To start editing a page or a section, just click on the "Edit" button, and a box with the page content will appear. For more information on how to edit pages, see Help:Editing
You can add information about you in your user page after creating an account. It can say some info about you, favorite pages, to-do list, or any other thing you would like to have on your personal page.
You can find a list of help pages regarding general wiki usage here: Help:Contents
Wakfu Wiki help pages:
Helping the Wiki
You can find out what needs to be done around the wiki by checking out the To-Do List.
See: Wakfu Wiki:Policy