Each license allows for one concurrent install.
You may install the software on as many computers as you wish, the only limitation is regarding the number of active concurrent installs.
If you have reached the maximum number of concurrent installs, you can easily deactivate your Scan2CAD license on a previously activated computer.
Please see how to deactivate your license.
If you wish to run Scan2CAD on more than one computer you may purchase additional licenses.