Here's where you enter or import your 1099-B in TurboTax:
Open (continue) your return if it isn't already open.
In TurboTax, search for 1099-B and then select the Jump to link in the search results.
You can also access this in your "Federal" tab, under "Add more Income"
Answer Yes to Did you sell stocks, mutual funds, bonds, or other investments in 2020?
If you see Here's the info we have for these investment sales, select Add More Sales.
Answer Yes to Did you get a 1099-B or brokerage statement for these sales?
At Let's get your tax info, choose how you want to enter your 1099-B (import or type it in yourself).
Follow the instructions.