Creating a wiki account

Click on the UserPreferences link
Fill in your name (it is recommended that you join first name and last name together to make an implicit "WikiName", e.g. OlegSmirnov), e-mail address and password.
Click on "Create account".
You will be taken to your User Preferences page. Make sure the "Remember login information forever" option is enabled.
As a new user, you will not be able to edit pages until we have added you to the EditorGroup. Ask somebody in the editor group to add you.