have 23 tax on desktop computer, want to access on laptop. when i downld new 23 tax file to laptop it says file corrupt & download again. I do, but same thing happens.

[TurboTaxSusan]

When you say "23 tax file" are you referring to your tax return file (.tt23) or the installer file? 

If it's the installer file, you can download older versions of TurboTax Desktop edition here: Where can I download the Desktop edition of TurboTax?