If you have a promo code and want to apply it you need to click "Add promo code" button when signing up or when upgrading your account. 

  1. During registration - click "Add promo code", type your code in and click "Submit"
    Observe that the price to be paid for the selected plan changed, and there is a confirmation message on the screen indicating that your promo code is valid

2. Upgrading your account - click "Add promo code" in the pricing page of your account, type your code in and click "Submit"
Observe that the price to be paid for the selected plan changed, and there is a confirmation text on the screen indicating that your promo code is valid

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