What is a password?

What should my password look like?

What sort of information do I have to give during registration?

Do I have to give all my information, like my school number and institution name, when I register?

Can I use the same phone number in several profiles?

Can I use the same e-mail address in several profiles?

How do I find out when my profile was registered?

Как сохранить пароль в «Одноклассниках»?