When Scan&Solve Pro starts up (Run SnSPro command at Rhino's command line), it checks the computer to determine the type of license that is installed. If no license is found, Scan&Solve Pro will default to an unactivated evaluation and a “UnActivated SnSPro Evaluation” watermark will be displayed in the Rhino viewports. The SnSPro dialog will look like this:

Click the [Start Evaluating SnS Pro] button to install an evaluation license from the internet.

Purchased licenses consist of a text file containing a long string of characters that looks something like this:

key/384gB81dWjD ...<snipped>... ePcx7ZvASf==

To activate a purchased license:

1. At Rhino's command prompt, run the SnSPro command.
2. Navigate to the Settings tab of the SnSPro dialog:
   
   and click the [Activate…] button.
3. The “Activate License” dialog will pop up with a text entry box:
   
4. Open the license file in a text editor such as Notepad and copy paste the license text into the entry field of the Activate License dialog.
5. Click [Activate] to install the license on the computer.

Licenses can be deactivated from one computer for installation on another. To deactivate a license on a computer:

1. At Rhino's command prompt, run the SnSPro command.
2. Navigate to the Settings tab of the SnSPro dialog:
   
3. Click the [Deactivate] button to release the license to internet. (Note that the [Deactivate] button will only be visible if a valid license is installed.)