A user can link their games.
To link your Riot Account:
1. Login to Member's Hub.
2. Click on the profile username.
3. A dropdown menu will appear, click on "Settings".
4.Go to "Game Accounts".
5. Click on “Accounts”
6. Find “Riot ID” in the list of accounts.
6. Log in with your Riot ID
7. Click on “Authorize”
8. You should see a window confirming that your account has been linked.
FOR LEGACY RIOT ACCOUNTS:
You need to make sure that you have a RIOT ID set up. To do this:
1- Log into your Riot account
2- Go to settings
3- Add your Riot ID and Tagline into the following fields
4- Save the changes.