If you need to change your password go to the user settings page by clicking on your name in the upper right corner. 

Click the blue Change account information button. Follow the instructions in the pop up and click change account information at the bottom of the popup to save changes.

If you have forgotten your password, go to the log in page and click "Forgot Password".

If your email hasn't been validated you will not be able to change your personal information. Click on the blue chat button in the bottom right corner to contact us about changing your information.