Since this file is shared as a .rar archive—a compressed format developed by Eugene Roshal—you should exercise caution if downloading it from unofficial sources:
: Interfacing with specific sensors like those found in the LSI LASTEM Alpha-Log systems. Safety Precautions for RAR Downloads
: Provides quick start guides and official software links for various multimeter and data loggers.
Could you clarify the you are trying to find software for? M-Log - LSI LASTEM