To upgrade your ranking on Premincome, you must log in to your account, review the ranking requirements and criteria, achieve the required number of referrals, deposits, or other specified conditions, accumulate the necessary points, bonuses, or rewards, reach the required ranking milestones or thresholds, and also consider actively promoting Premincome to increase referrals, consistently making deposits or participating in platform activities, engaging with the Premincome community and support team, and staying up to date with platform updates and promotions.