Tax forms for 2019 and 2020

Hey folks, I've a few questions I'd like help with. Here is some information that might clarify my case:

 

- I have an L1 visa and my wife an L2. We both have SSN. My son (2 year old) has a Canadian visa. We all arrived in the US in August 2019.

- I didn't file my taxes in 2020.

- I still didn't file my taxes this year.

- My son doesn't have an SSN or ITIN.

 

Questions:

 

- Which version of the Turbo tax software I need to buy to file the taxes for the year 2019?

- Can I use the same software to file the taxes for 2019 and 2020?

- I need to apply for an ITIN or SSN for my son. Does the TurboTax software do that? 

 

Thank you!

You guys have a great software!