Starter kit

Where to start
Register to mediawiki.org and subscribe to wikitech announce. Now you are connected.

If you're not familiar with the wiki environment, these links can help you get comfortable:
 * Help:Navigation.
 * How to Edit (with the new VisualEditor) or Edit source (old school)

Consider these first tasks, based on your interests:

Development Browser Testing Bug Management
 * Easy bugs
 * Bugs that need a feature description
 * Project:WikiProject_Bug_Squad
 * Bug days

Also check out the Project:Calendar to find ways to get involved.

User page and preferences
After registering, you get a user page that is 100% public. Introduce yourself! Suggested fields are:
 * real name
 * location
 * interests
 * languages
 * motivation to be here.

If you want a picture, check Help:Images. Minimal / no design is recommended. Wikipedia explains more.

You may also use the User Info Template.