Follow these steps to redeem your League of Legends RP Gift Card:

  1. Launch League of Legends
  2. Click on the Store button
  3. Click on the "Purchase RP" button
  4. Select "Prepaid Cards & Codes"
  5. Enter the League of Legends RP Gift Card which you can find under My Withdrawals by clicking on "Show Code"
  6. The balance has now been added to your League of Legends account