SW category contains Dektec SW mostly dedicated for use in association with Dektec devices. In this case SW license is associated to adapter's Serial Number. You can check what licenses your adapters have by free DtInfo utility.
There are few SW modules, e.g. TS Analyzer Stream Xpert, which can work without Dektec HW devices, where license is provided at USB dongle (abbreviation DGL behind product model).
To install a Dektec licnse (.dtlic files), you can follow these Dektec guidelines.
ISDB-Tmm signal generator software
TmmXpress is the ISDB-Tmm test-signal generator. The intuitive and easy to use graphical user interface lets you create any combination of 13-, 3- and 1-segments up to a total of 33 segments and generate either an ISDB-Tmm, -TSB or -T signal.