You can change your plan at any time. Our system will calculate the amount of time your spend on the plan and adjust your bill for you.
Your main is managed on your My Account page which you can get to by clicking the My Account & Payment button on your dashboard.
My Account & Payments Page
Here you have access to change your plan and update your payment method. You can change your plan by clicking "Change Plan" and selecting a new plan from the list. Then click Update.