The purchased product key must be activated in Epic Games Launcher:
- 1) Download and install the client. Download here: https://www.epicgames.com/store/en-US/download
- 2) Launch the client, log in with an existing account, or create a new one.
- 3) Click on your account in the bottom left corner and select "Redeem Code".
- 4) Enter the purchased code and click "Redeem".
- 5) You can find your purchased game in the "Library" tab.