If you previously used the software on one computer and want to install it on another, first deactivate the software on the original computer.
Deactivate the original installation
On the original computer, open the main menu and select Help | Deactivate License. Follow the instructions before activating the software on the other computer.
If you cannot access the original computer
Contact GRAYESS support . Provide your software license key and explain why you cannot access the original computer.
See moving a license to a new computer for the complete transfer instructions and the maintenance condition for assistance when the old computer is unavailable.