Hello I'm new to splitters video techie stuff. I'm interested in sharing clips and excerpts from Rumble video interviews. MP4Tools was recommended among a few to do this. I've got separate video and audio successfully in there ready to split/edit independently (haven't done that yet), but don't know how to merge the two back together or see any tools for doing so. I read that ffMPEG may need to be downloaded and somehow integrated with the MP4Tools framework. The step by step tutorial looked a little...