Unable to Install 2024 TurboTax Files

Earlier today, I ordered TurboTax 2024 Home & Business from Costco (as I have for several years using the exact same Windows 11 laptop).  Hour later, I received an email from Costco.  I clicked on the "Link1".  I selected Windows and "Home & Business."  I downloaded the files.  I clicked on the Windows_PC_TurboTax icon.  Windows asked if the program had my permission to change the PC.  I clicked "Yes".  An extract occurred - old DOS like graphics for a few seconds - then nothing.  I have looked in the obvious files for an install program - but am unable to find it.  I have done this several times.  What is wrong?  What do I need to do?