extract all files in this package into your SageTV folder (eg. E:\Video\SageTV\SageTV). Make sure to extract with preserving the directory structure, and overwrite older files if necessary
start Sage up again
load SageMC_169.xml in Setup/Advanced/Load Application Package from the default STV
configure SageMC specific settings (there are tons of them) to your liking, this can be done from the "Settings/SageMC" menu