How to get turboTax update for e-filing return?

[radliff2-comcast]

have cd version of Turbo tax, will not e-file federal return. Error message says I need software update for e-filing Federal return.
. How do I get this update?

[Mike9241]

after opening the app there should be a tab on the left that says online. on the submenu there's a link to check for updates. 

[radliff2-comcast]

Thanks! While my set up wasn't exactly the same, you helped clear my brain fog and see where to get the update.