It only prints out the 1040 ES for you to send in. Or you can pay on the IRS website. Be sure to pick 2023 1040ES payment
https://www.irs.gov/payments
Are you using the 2022 program? The 2023 program will print out the estimates for 2024. Or you can fill out a blank 1040 ES to mail in with your check.
https://www.irs.gov/pub/irs-prior/f1040es--2023.pdf
