To upgrade or switch to a higher version of TurboTax Online please see this TurboTax FAQ: https://ttlc.intuit.com/community/upgrading/help/how-do-i-upgrade-or-switch-to-a-higher-version-of-t...

Install on Windows or Mac?  Do you have the CD or buy the download?

How to install Turbo Tax on Windows

https://ttlc.intuit.com/community/refund-status/help/how-do-i-install-the-turbotax-software-for-wind...

If you are having trouble downloading to Windows

https://ttlc.intuit.com/community/installing/help/troubleshoot-turbotax-for-windows-download-issues/...

How to install on Mac

https://ttlc.intuit.com/community/installing/help/how-do-i-install-the-turbotax-software-for-mac/00/...

@Jarson 

Please see this TurboTax FAQ.