You completed your tax return using the TurboTax online editions and not the software you purchased and should have installed on your personal computer. Close the browser window for the online edition.
See this TurboTax support FAQ for installing the CD/Download software with the license code - https://ttlc.intuit.com/turbotax-support/en-us/help-article/license-information/install-turbotax-cd-...
