If you find that you have purchased the wrong programme, please contact the support team within the time limit to request an exchhange for the correct programme. If the prices of the two programmes are different, please re-purchase the correct programme within the time limit and then forward thee order receipt to the service team and we will refund you for the inccorrect order. Regarding the time limit for exchange: 7 days for monthly subscription products and 30 days for other subscription plans.