Before change this items be aware of:

1. This is your login information so if you change it, you will sign-out and you have to login again;
2. If you change your email, you have to verify your new email again. while your new email is not verified your old email works for login;
3. We use this email to send you any message so use your daily email to get your notifications in time;
4. Choose a strong password, your password must contain at least a lowercase char, an uppercase char, one special char and one number. your password must have more than 8 chars length;

Your account common configurations is here