The TurboTax Deluxe or Premium online editions support Form 4684.
The TurboTax desktop CD/Download editions are for installing the TurboTax software on a personal computer. There you complete and file your tax returns using the TurboTax software that was installed, not the online editions. All the TurboTax desktop CD/Download editions support Form 4684.
https://turbotax.intuit.com/personal-taxes/cd-download/
