How do I go back and refill the insurance section

Are you referring to health insurance? If so, are you looking to report the premiums paid to a health insurance provider that participates in the Affordable Care Act? If so, you will receive a Form 1095-A in the mail that documents this information. When you receive this form, follow the below instructions to enter it in TurboTax Online:

1. Click on  Federal and then the Health Insurance tab at the top.
2. Answer the questions about your health coverage.
3. Select Yes to "Was anyone enrolled in any of these less common plans in 2019?" to enter your 1095-A form.
4. On the That’s all we need on your 2019 coverage screen, click Done with Health.