If you are having trouble changing your username or password this section gives a step by step guide to help you along.
To change your username or password:
1) Login
2) From main menu select "My Wikivorce" >> "My Profile"
3) In your profile select top menu "Update Profile" >> "Update Your Profile"
4) You should now select the tab titled "Username"
5) Enter your new username and password, and press "Update"