Where do I enter the 6 digit ID.ME verification code?

If you mean the IRS 6 digit IP PIN ...

To enter a 6 digit IP PIN

• Click on Federal Taxes (Personal using Home and Business)
• Click on Other Tax Situations
• Scroll down to Other Return Info
• On Identity Protection PIN, click the start button

Or enter ip pin in the Search box located in the upper right of the program screen. Click on Jump to ip pin