Yes, the TurboTax Deluxe desktop edition supports entry of investment gains and losses, as do all the desktop CD/Download editions.
Go to this website for the desktop CD/Download editions and scroll down under Deluxe, click on View Forms - https://turbotax.intuit.com/personal-taxes/cd-download/
Note - When entering any type of investment sale using the Deluxe desktop edition, the program will prompt you to upgrade to the Premier edition. This is only a Recommendation it is NOT a Requirement.
