Sites like CDKeys, Instant Gaming, or Eneba often carry "Grey Market" keys. If you buy from these, ensure you are purchasing a key for the correct region and platform (usually EA App/Origin ).

Open the EA App , go to your Library , click Redeem Code , and enter your 20-digit string. The game will then be permanently tied to your account.

If you previously owned the game digitally, it should still appear in your EA App library. If it asks for a key upon re-installation, you can often find it by right-clicking the game in your library and selecting "View Properties." How to Activate Your Key

Registration keys for this era of EA games are almost always case-sensitive. Ensure 'O' is not confused with '0' (zero).