You have chosen the wrong licensing type for your product and want to change or clear your licensing.
If you can access the program:
At the top-right of the screen select the drop-down triangle. Click “Manage License…” to open the License Manager screen.
Select the product and click “Change license type” link.
On the Let’s Get Started screen select the appropriate license type and follow the prompts.
If the product is not accessible:
On your computer, go to:
PC Installs: C:\ProgramData\Autodesk\CLM\LGS\<product key>_<<product version>>\
MAC Installs: \Library\Application\Support\Autodesk\CLM\LGS\<product key>_<<product version>>\
Delete the LGS.data file.
Start the program and the Let’s Get Started screen should display.
Select the appropriate license type and follow the prompts. Note: Windows users may need to set their Explorer window to view hidden files and folders.