If you redeem a game, Discord Nitro, Amazon Gift Card, or other reward that requires an activation code, Salad will store that code in your "Reward Vault." Click on the Reward Vault page shown below:
Once in the Reward Vault, you'll see a history of every reward you've redeemed on Salad. If the reward needed a code, then you'll find said code beneath the reward title as pictured below:
Simply copy the code with the clipboard icon and then paste it into Steam, Amazon, or wherever the code needs activation. Please note that reward codes may take a minute or two to populate in the reward vault, so please allow ten minutes to pass before you contact Support or submit a bug report.
If you need help redeeming a reward, check this guide. If you need additional help with your reward redemption codes, please contact Salad Support on Discord or directly.