...I'll assume you mean the b.i.o. codes on Bionicle.com.
Out of the options to the left of the BIONICLE 2009 logo, click the one to the far left - "BIO Codes." If you are not logged in, press the red button that appears. If you are/once you are, type in the code into the box that says "Enter B.I.O. Codes," and then press the arrow icon to the right of it. ;)
If you mean you password to log in, there is a box on the very top-right of the page giving you the options to "Sign up" or "Sign in." This appears on all pages of the LEGO website.
menu-settings-securtity-password
It's on the main menu of the game. Go to Password -> Enter Password.
There will be no 'Bionicle 5' because they are ending bionicle sets.
master password yes
If u hold insert and click main menu you should be at a password.
From the main menu, select "PASSWORD". Then select "ENTER PASSWORD". Enter the password : 211313101010101.
BIONICLE: Mask of light, BIONICLE 2 : Legends of metru nui, BIONICLE 3 : Web of shadows, and the newest one BIONICLE 4 : the legend reborn.
go 2 the menu change your pass is there
Start Menu -------> Control Panel ------> Users --------> should be an option to set the password under the selected user
You can enter the passcodes under the "Password" section in the Main Menu.
when you have beaten Golden Sun, go to the main menu and hold L+R+left and press B. This will get you an extra option in the main menu to get your transfer password.
First of all you need to go to the control panel on the start menu. Once you have clicked on the start menu go on programs and then select user settings, after this go on change name and then change password.