First, you need to Login into your G+ accounts
After Logging in, launch your League of Legends Client by
(a) clicking on the League icon from the side panel, then
(b) click on "Start League of Legends"
Once inside the client, you just need to follow these steps:
Step 1: Click on the STORE button just below your Name.
Step 2: Click on the CODES Button from the left side panel.
Step 3: Type in your promo code into the box then click SUBMIT.
Congratulations! You have successfully redeemed your promo code!
After Logging in, launch your League of Legends Client by
(a) clicking on the League icon from the side panel, then
(b) click on "Start League of Legends"
Once inside the client, you just need to follow these steps:
Step 1: Click on the STORE button just below your Name.
Step 2: Click on the CODES Button from the left side panel.
Step 3: Type in your promo code into the box then click SUBMIT.
Congratulations! You have successfully redeemed your promo code!