RemoteDesktopTwain uses simple and transparent license model. You need one license per computer with connected scanners. It means that it does not matter how many Remote Server you will connect to. When you have license for your workstation you can use your scanners on any Remote Server.
Please follow these simple steps:
Install RemoteDesktopTwain Server and RemoteDesktopTwain Client driver.
If you do not have license yet then press "Buy now" button. "Buy now" button will open web browser with Buy now web page. If you already have license please enter license information in Registration dialog which is shown below.
Press Continue in registration dialog. The license in saved in RemoteDesktopTwain Client so you can use it with any Remote Server.