How do I find and print a copy of a past return which I had failed to save in my computer?

To find your previous return which you have filed, you will need to log in to your TurboTax Online account, using the same credentials you had used when completing your return.  If you are looking for your tax return from 2017 & 2018 you will be able to log in from here. 

This is how you will save/print a copy of your return