How can I improve my credit score quickly?

To improve your credit score quickly, start by paying all bills on time since payment history has the biggest impact. Pay down credit card balances to reduce your credit utilization ratio, ideally below 30%. Avoid opening new credit accounts unless necessary, as multiple inquiries can lower your score. If possible, request higher credit limits on existing cards to improve your utilization ratio. Also, check your credit report for errors and dispute any inaccuracies. Consider becoming an authorized user on a responsible person's credit card. Finally, keep old accounts open to maintain a longer credit history. These steps can lead to noticeable improvements in your score within one to three months.