If you are a consumer (as per § 13 of the German Civil Code), you are entitled to a 14-day statutory right of withdrawal. Please see our page Informationen zum Widerruf (German).
In addition, we offer a worldwide 30-day money-back guarantee as an extended returns policy to our download-products. Just write an email to firstname.lastname@example.org or use our contact page if you are not 100% satisfied. Please do not use any cancellation options provided by your payment provider (PayPal or Stripe / Credit card / financial institution). We will cancel your order manually and arrange a full refund usually within 24 hours.