To change your password, log into your Dashboard and choose Users > Your Profile.
Scroll down until you see the "New Password" section.
Click the "Generate Password" button.
A new, random password will be generated.
You can replace the random password any password you choose.
If you choose a weak password, you will have to click the "Confirm use of weak password" checkbox.
(Pro tip: Click Here for advice on choosing a strong password that you can remember.)
Once you have entered your new password, click the button.