Get your taxes done using TurboTax

@mkad   well you will at least need to meet the requirements for 2014 and newer which are higher than your 10.6.8 system.  <a rel="nofollow" target="_blank" href="https://ttlc.intuit.com/questions/1899173-minimum-system-requirements-for-turbotax-mac-software">htt...>

Did you use the Desktop program for 2017?  Did you use a different computer?