Here you can digest how to use Wikipedia, in bite-sized morsels. The tips listed below were created for the Tip of the day project, or the Styletips project, but are listed here by title and organized by subject area for your convenience.
To create an account, all you have to do is click on the "Sign in / create account" link, click on "Create one", enter a username, a password (twice), then click the "Create account" button. Consider attaching an email address to your account for user account password recovery, to receive system updates, or to receive email from other users. Nobody will see your email address until you choose to send them an email or reply to theirs.
The CategoryTree is a MediaWiki extension that provides a dynamic view: you can change how much you see of a category's structure as a tree. You can use it to show a category and its subcategories by putting the category name between category tree tags like this:
<categorytree>
Trees in religion
</categorytree>
The result is a category tree like the one shown to the right. Click on the triangles to expand and collapse the tree.
For a listing of current collaborations, tasks, and news, see the Community portal. For a listing of ongoing discussions and current requests, see the Dashboard.