It depends on whether your filed your return. If you printed your return, but haven't e-filed it, or signed and mailed it, you can go back in and make changes.
Setting up a payment plan through TurboTax will require the same things as setting it up through the IRS website, so yes, you will need to upload your ID.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
