Invite friends to this page and you can get free Riot Points within SECONDS!!
Use the link after you have selected your server to invite your friends. Once a friend clicks the link you will have successfully invited him to the website. The link will look something like this:
Once you have enough invites so that it says code unlocked behind a reward you can proceed to the next step.
Unlocking the code
Once your code is ready to be unlocked select the code you wish to unlock and a new page will appear where the newest available code is ready for download. Follow the steps given there to download the code.
[NOTE]: Once you unlock a code you will lose the amount of invites required to unlock the code.
Claiming the code
Open the file containing the code that you have downloaded, and proceed to your league of legends client. You must be logged in to do this.
Proceed into the store, by clicking the orange button under your name. Select "Codes" from the menu and paste your downloaded code and click submit to claim the code. Congratulations on receiving your free riot points!