Go to the IRS website for your tax account to see what the IRS has sent to you for stimulus payments - https://www.irs.gov/payments/view-your-tax-account
If you never received the stimulus payment shown on your account then have the IRS put a trace on the payment. Go to this IRS website for how to start a trace - https://www.irs.gov/newsroom/questions-and-answers-about-the-first-economic-impact-payment-topic-f-p...
