If you purchased the 2015 software as a download from TurboTax then it will be in your download account. Sign onto your download account here - https://shop.turbotax.intuit.com/commerce/account/secure/login.jsp?pagecontext=download
If you purchased the CD from TurboTax then you will need to contact TurboTax support so they can push a 2015 installation file to your download account.
Use this website to contact TurboTax support - https://support.turbotax.intuit.com/contact/
Support can also be reached by messaging them on these pages https://www.facebook.com/turbotax/ and https://twitter.com/TeamTurboTax
Note - Support is open from 5am to 5pm Pacific time, Monday thru Friday
If you used the desktop CD/Download editions installed on your computer, the only copy of your tax data file and any PDF's will be on the computer where the return was created. TurboTax does not store online any returns completed using the desktop editions.
