If you are using the software, not the online product, you do not need the online product. Logging in online would be opening a new file all together.
You should be able to open your CD program in the regular way.
Please check the minimum system requirements needed to run the software.
My apologies, I provided instructions as if you were using TurboTax Online. But, you are using the CD/Download.
For your reference, click the details on opening an incognito Chrome browser.
@Garyo82
