You only need to input your credit card information when you decide to upgrade to a premium plan.
Keep in mind that it is a subscription model, and the payment will be renewed automatically in the billing cycle you decide: monthly or yearly.

To guarantee you always have access to your premium account, make sure your card information is up to date. 

Go to your account page to 

  • Edit you card information
  • Add a new card
  • Select your primary card, when you have multiple registered
  • Delete a old card

Related articles

How can I upgrade or downgrade my account?
Plans, pricing, and subscription options

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