Schedule D and Form 8949 should be available on 01/14/2021 (subject to change)
Go to this TurboTax website for IRS forms availability - https://care-cdn.prodsupportsite.a.intuit.com/forms-availability/turbotax_fed_online_individual.html
If you are using the TurboTax desktop editions click on Forms. When in Forms mode click on Open Form in the upper left. Enter 1099-B and click on the 1099-B Worksheet. You can use the worksheet to enter investment sales with gains or losses. This will transfer to Schedule D and Form 8949 with a result on Form 1040 Line 7.
Note that once the schedule and form is finalized you should go through Step-by-Step for the proper entries on the final tax return.
