Let us to prepare list of the names. Oh right, steps...
You can navigate to the billing section from the dropdown on the top right part of your page.
In the billing page you can see your current plan highlighted. There are monthly and yearly plan options in the admin dashboard. Your default plan will be free after your installation.
Select your credit card and start your Trial campaign.
You can also apply coupon while you are upgrading your plan.
Keep in mind that you can only apply coupon if you are upgrading from free plan.
You can get more information from our pricing page.