To do this in TurboTax Online: 

1. Click on the find icon at the top-right corner of the page.
2. Type "cap" in the search bar, select "Capital Gains and Capital Gains Deduction Profile" from the list and click " Go".
3. On the page titled "Your Capital Gains Profile for 2021", select "Sold stocks, bonds, real estate, other capital property, or sold qualified small business corporation shares and/or qualified farm property and you have a capital gain or loss to report". Click "Continue".