how to file 2023 taxes after downloading the software?

You will have to print and mail prior year returns. After you downloaded the program did you install it and activate it with the 16 digit License Code? Double click on the file you downloaded to install. Are you on Windows or Mac? Then it should start a return or if it doesn't you can go up to File-New Tax Return. What version did you buy? This is what the program looks like. Here's my Windows 2023 Home & Business version.