You can install TurboTax Desktop on up to 3 computers. Re-installations of the Software on the same computer may count as an installation for the purposes of the 3 computer limit if the computer has been sufficiently changed (ex: hardware added or replaced).
If you feel that you are seeing the 'Error Code 603 All available activations for that code have been used.' message in error, please contact our phone support team for more assistance.
