@user17730096080 Where are you trying to enter it? There are 2 different kinds of codes. Did you buy the Desktop program but trying to enter the License Code into the Online version? Or buy a code for Online and trying to activate the Desktop program?
If you bought the Desktop program did you install it this way? How to get started with the Desktop program, install and activate it
https://ttlc.intuit.com/turbotax-support/en-us/help-article/product-delivery/download-software-turbo...
