For the first time to subscribe for your account, you can click on the "Upgrade Account" link at the top right corner of the page to start your subscription. You can choose your Ragic plan from the Pricing page, and continue on to your trial for your upgraded account.
You will be redirected to a secure credit card transaction system for payment.
You can also upgrade or change plans, any time by going to the Account Setup page and choose Account Billing.
In the Account Billing, it tells your current account plan, including the billing cycle, next billing date, the number of licensed users, billing amount, as well as your accounts' billing contact.
Through this setup window, you can change your plan or plan details, update your credit card information, or purchase add-ons such as SMS credits or extra storage space. Clicking on the Billing History link on the right side will show you a breakdown of your previous payments.
You can access each payments' invoice by clicking on a line item through the links on your payment description column.