What does 2023 have to do with it? If you converted to a ROTH IRA in 2024 you should have a 1099R for it. The tax withholding is in box 4. Or what/how did you pay the 2023 tax at the beginning of 2924?
Enter a 1099R under
Federal Taxes
Wages & Income
Then scroll way down to Retirement Plans and Social Security
Then IRA, 401(k), Pension Plan Withdrawals (1099-R) – Click Start
