To redeem McDonald's survey rewards, start by visiting the official mcdvoice.com survey website. After completing the survey using the receipt code from your recent visit, you’ll receive a validation code. Write this code on your original receipt. On your next visit to McDonald's, present the receipt with the code at the counter to claim your reward, which could be a free item or discount. Make sure to redeem the offer before it expires, as codes typically have a short validity period. Participating in the mcdvoice.com survey is a simple way to give feedback and enjoy extra value during future visits.