The .CAB file is for Windows CE 5.0 systems like the Teklogix 7535G2

The .EXE file will install the same emulator on a 32 bit Windows OS

The TEKTERM x64 folder contains an extracted version of the emulator for windows, 
(the 32 bit version will not install on a 64 bit system)
Use the TekTermCpl.cpl to configure TEKTERM on the 64 bit Windows OS 