First you need the Statesman software... Statesman 4 CD CD containing Statesman software (free of charge). Works as Statesman Lite if run without a dongle, which gives you the basic features of Statesman for free Next you need to select a suitable Starter Pack, depending on whether you're using Ethernet or RS422... ST4DongleUSB02 Statesman 4 Starter Pack for Ethernet. Includes Statesman software, activating USB dongle and Statesman licence for two boards IND SSK-02 Statesman 4 Starter Pack for RS422 only. Includes Statesman software, dongle, licence for two modules, D-Type to RJ45 converter and RS232 to 422 converter. Work out how many additional licences you need, one per board... ST4Licence01 Additional Statesman 4 licence for one board STLicence01 Statesman licence for one board when using Versions 2 or 3 of Statesman only If you're using the 'Multi PC' version of Statesman on multiple PCs over a network you need the following... ST4-MULTI-PC Special Statesman 4 upgrade licence required if using more than one PC