In TurboTax, you do not directly fill out out form 8962. TurboTax will complete form 8962 and file it with your tax return after you have entered your form 1095-A.
In TurboTax, you can enter your form 1095-A by following these steps:
Did you receive a letter from the IRS?
Here is how to get the form 8962 filled out. Please note: You are NOT going to amend your return and you are NOT going to add a state return. These directions are quirky but will get the job done.
The IRS may adjust your refund once they receive your form 8962.