Get your taxes done using TurboTax

Unfortunately my operating system is too old to support the downloadable version. The info that I was asking about importing was everything I have to enter prior to reaching the section about IRA distributions. If I use only one account, can I enter a distribution amount, finish the return, see the result, and then go back and enter a different amount if I want? I could use screenshots to save the results each time. Do you think that would work?