For an existing registration, redeeming works as follows: Open the following page in a browser:
https://www.babbel.com/coupons/new If you are not logged in yet, log in now. The voucher redemption page appears. Select the language you want to learn, enter your voucher code and then click Redeem now. On the next page, certain vouchers will display an option to upgrade to an all-language subscription. If you don't want this option, click No thanks.
PLEASE NOTE:The upgrade continues as a regular Babbel subscription after the first, discounted payment period, so it automatically renews at the standard price until it is canceled. Details can be found in the booking confirmation email to the registered email address. The full terms and conditions can be found at:
https://about.babbel.com/de/terms/