To change your password, click your username in the top right corner of the interface. Then, navigate to the ‘Settings’ menu and find the ‘Account’ tab at the top.
Click the ‘Change password’ button and wait for the password change email to arrive.
Next, click the ‘Change password’ link in that message, and enter your new password in both fields.
Finally, click the ‘Change password’ button at the bottom, and you’re set!