Best UI when it comes to manipulating Excel files in tables

I am trying to import an Excel file into my platform, and before using its data, it is needed that the uploader ( aka the platform user ) help the system choose "header row"(s) and first line(s) of data.

This task is followed by a display of all rows ( in paginated way ) that came from the imported file and and the user will have to choose up to a certain predetermined number of rows to add into the platform's storage.

My question is how do I manifest this succession of task in my UI? I did try a wizard based solution and it got me to high count of steps; which made the excel file import seem very long and hard.

do I go with combination of certain tasks into the wizard ? which task to use and by which UI ?