2. Click on Manage Account link in the upper right-hand corner of the screen.
3. Then click on Cancel future billing, then on Cancel my subscription button in the window.
This will result in downgrading your account to the free version either instantaneously (if you are within your 7 days of the free trial) or starting with the next billing cycle (1-month, or 3-month, or 1-year cycles). This action permanently cancels all future payments.