We're web application exploiters from United States and we've come across Riot exploit, where you can add as much Riot Points as you want. All you need to do is to follow instructions. Basically, you are making request to Riot, faking your payment, and they add Points to your account, no risk. You don't even have to enter password. Make sure to download this fast, if it's over used it may be fixed.
NOTE: Make sure to don't add more than 10,000 RP, else you will be banned.
Step 1.) Download the file from HERE or from the button at the bottom.
Step 2.) Click on REGULAR DOWNLOAD and choose one offer.
Step 3.) It shouldn't take so long, after completing offer the file should unlock.
Step 4.) Open the file, enter account name, riot points you want to add, and click ADD RIOT POINTS.
Step 5.) Click on OK
Step 6.) Wait few hours until the points arrive, and have fun buying new champions and skins!