Extract the files to the same desktop new folder. Unpack the BSA with BSA unpacker, found on Nexus.

Extract the original mod to a new desktop folder. It was planned for December but he said that he hit a bump with the development. Well the mod author is currently creating a new version of Familiar Faces called 'Familiar Faces - Reunion' that will be released for Oldrim and SSE simultaneously. These files can be safely moved into the Familiar Faces tree after you exit Skyrim.Missing: reunion. This is normal, but it does make MO show a warning. Familiar Faces does work with Mod Organizer, but files that get created during gameplay will be written to the OverWrite directory instead of to FF's mod tree.