Your 40s are often expensive. You may be juggling a mortgage, car payments, kids’ costs, aging parents, and retirement savings. Credit can feel like one more thing on the list. But this decade is a good time to clean up old mistakes and make your credit stronger. You still have years before retirement, which gives you room to improve your score and lower your financial stress.

Start by checking your credit reports. You can get them for free from the three major credit bureaus. Look for accounts you don’t recognize, late payments that were reported by mistake, balances that are wrong, or old debts that should have dropped off. If something is wrong, dispute it with the bureau and the lender. Keep copies of your letters and records. Fixing errors can take time, but it is one of the simplest ways to improve your credit.

Next, look at how much of your available credit you use. If your cards are close to their limits, your score may suffer. Try to pay down balances and keep your use below about 30 percent of your limit. Below 10 percent is even better. You don’t have to pay everything off at once. Start with the card that has the highest interest rate or the balance that bothers you most. Making extra payments when you can will help. Also, ask your card issuer for a higher limit, but only if you can avoid spending more. A higher limit can lower your usage rate without changing your habits.

Don’t close old credit cards just because you don’t use them. The length of your credit history matters. An old card with a small balance or no balance can help your score by showing a longer record. If the card has an annual fee you don’t want, ask the issuer to move you to a no-fee card or close it only after you have a plan. Keep the oldest accounts open when possible.

Late payments are a major drag on credit. Set up automatic payments for at least the minimum on every account. You can still pay more when you have it. If money is tight, call the lender before you miss a payment. Many lenders will work with you on a due date or a payment plan. A short conversation can prevent a late mark that stays on your report for years.

Your 40s are also a common time to co-sign loans or help family members. Be careful. When you co-sign, you are on the hook for the debt. If the other person pays late, it can hurt your credit too. If you want to help a child build credit, consider a secured card or adding them as an authorized user on a card you manage well. Keep the account in good shape and set clear rules.

If you are already behind, don’t hide from it. Open the mail, answer calls from lenders, and ask about hardship options. A nonprofit credit counselor can help you make a budget and talk to creditors, often for a low fee. Be careful with companies that promise to erase bad credit for a large upfront fee. No one can remove accurate negative information from your report. Time and steady payments are what heal credit.

Think about big purchases before you apply for new credit. Each application can create a small drop in your score. Too many applications in a short time can look risky. If you are shopping for a mortgage or car loan, do your rate shopping within a short window, and avoid opening store cards just to save a small amount at checkout.

Finally, connect credit goals to your bigger plan. Paying down debt and saving for retirement can compete for the same dollars. Use a simple budget to decide what you can afford each month. Protect your emergency fund so a surprise repair doesn’t become a credit card balance. Check your score every few months, not every day. Watch for progress, fix problems early, and keep your accounts in good standing. A stronger credit profile in your 40s can give you more choices later, from better loan rates to lower insurance costs and less stress as retirement gets closer.