Hello @Clifford4 ,
When you open your 2022 Tax Return in the Home & Business desktop software:
1. Click on the Business tab.
2. Press Continue
3. Then, click on I'll choose what I work on
4. Scroll down to the Less Common Business Situations section
5. Next, where you see Self-employed Retirement, click on Start. (If you previously navigated to that section, click Update).
6. Then, select Yes
7. Finally, you will see the boxes to enter your Roth 401(k) contribution.