| ExpirationDate | String containing a date of trial license expiration. The date format depends on the locale settings. If the string is empty, the license is not trial. |
| LicenseKey | License Key. In case of using dynamically created object, this property should be set in the first place, before calling any method or setting any other property. |
| LicenseType | License type. Refer to FTVSPCLicenseType. |
| LicensedCompany | String containing the name of the company to which the license is issued. This string can be empty. |
| LicensedUser | String containing the name of the person to which the license is issued. This string can be empty. |
| NumberOfLicenses | Number of computers allowed to install the program according to the license. If set to zero, the number of computers is unlimited. |
| NumberOfPorts | Maximum number of ports allowed to work. If set to zero, the number of ports is unlimited. |
| PortTrialTime | Maximum time of life for each virtual serial port (in minutes). During this time serial application can work with the virtual serial port. If set to zero, no time limitation. |
| Version | String containing program version number. |