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If all you want to do is load the firmware on the mcu you can use the software that came with the programmer board (USBDM board). If you install the drivers, it installs some flash programmer software, one called HCS08 Programmer. This software lets you load the compiled firmware 'hex' file (called FilamentSensorproto2.abs.s19 in the directory called FLASH in the zipped project) into the MCU. No need for the IDE in this case.