To reset your password for a Riot Games account, you will need to visit the official website. On the login page, you can find the option that says "Forgot password?" Clicking on this will prompt you to enter the email address associated with your account. Once you submit your request, you should receive an email with further instructions. It is important to check your spam or junk folder if you do not see the email in your inbox promptly. Follow the instructions provided in the email to create a new password.
Make sure to choose a strong password that you have not used before, as this enhances the security of your account. If you encounter any issues during the password reset process, you might want to look for additional help on the official support pages.