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New Member
posted Feb 2, 2026 5:52:08 PM

Error 606

I have the from Amazon the desktop version I purchase every year - I followed the instructions provided with the download (no box version) and I get the error message 606 when I copy over the license code/key that was provided with my purchase.

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1 Replies
Employee Tax Expert
Feb 3, 2026 8:28:54 AM

Error code 606 means you are entering an invalid license code. Did you purchase Desktop Software or Online Software? There is a difference between a License Code (for Desktop) and an Activation Code (for Online). You are trying to enter a Code for TurboTax Online in a Desktop software (or vice-versa). 

 

They are not the same software, and codes from one cannot be used in the other. 

 

 If your box is for TurboTax Online, you can activate your code to your account on this link. 

 If your box is for TurboTax Desktop, you can download/install your software from this link.