@Just-Lisa-Now-  Is correct that prior years can be downloaded from your account if you were a customer. If not, you should be able to download on pay per return basis. You only get charged if you print the return.

edit. Not sure if this helps. Seems to have a link for 2014 but not 15.

https://proconnect.intuit.com/community/download-products/help/installing-and-unlocking-older-versio...