This article explains the activation and transfer of SHOTPlus Product Keys among different computers for all versions of SHOTPlus ( Premier, Standard, Professional and SHOTPlus Primer DIPPlus and 12-seam intercept Add-ons)
It will open a new "Manage Product Keys" window where you would be able to manage the keys for the products.
You can Add, Copy, Activate, Release and Delete the keys. See the image below.
If you still face any issues, please contact BlastIQ Support for further help.