You change your account password in the "Password" section of your account settings. If you are having difficulties logging into your account, please see our article on resetting your password here.

To find this, first click your avatar in the top right and select "My Account".

With your account settings open, navigate to the "Profile" tab. From here scroll down to the "Change password" section. Here, you will need to enter your current password and your new password in their respective fields. Clicking "Change" will update your password.