I will start a new job in a different state starting July 2021. Currently I am in a training program that will finish in June 2021. I signed the contract in Jan 2020 with the new employer and they gav

The life changes questions are for changes between 2019 and 2020.  These questions just generate specific interview questions as you prepare your return in TurboTax.  You will have access to all interview sections, but based on your answers some sections will automatically open for you.  

Forms W2 are entered in the "Wages and Income" tab.  Just click on the tab at the top of the page and scroll down to the "Job (W2)" topic and "Start" the interview.  Once you have entered one W2 you will be given an option to "Add a W2".  Just click the hyperlink and enter the second and subsequent forms W2.