I do provide LISY as an 'zipped' image. After unzipping you have to write the image to a SD Card. Have a look into the user Manual how to do that.
Note: Due to Copyright reasons Gottlieb roms are not included in the Image and need to added to the SD Cards manually!
Software for PICs are provided as 'hex' files. For LISY1 & LISY80 you need a 'PIC-Flasher' to update the software on the PICs. LISY35 has an integrated flasher.
Note: I try to keep the software for the PICs 'stable', so in normal cases there is no need to update the PICs. The PICs coming with my 'Base Set' are pre programed with the latest Version.