Once you've installed TurboTax Desktop on your computer, you will have a TurboTax icon on your desktop.
When you double-click to open the program, you should be asked about transferring in last year's tax file data.
No Password is required; could you accidently be trying to Sign In to TurboTax Online instead?
If you can clarify with more details, we'll try to help.
@LeaDee
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