Murder Mansion

We have three days of footage out of UHD camera footage from a seminar that we need to archive in full resolution and then compress (720p would probably be fine) for distribution online to those who attended the course.

I suggested trying Handbrake but the owner of the video is running Windows. That said, I could do the job on my MBP TB.

We don't want to buy an expensive tool like Final Cut and if while I prefer to let him do it on Windows if you all can suggest a good tool, if I get stuck with the job, I'd prefer not to use iMovie as I find it wonky.

So what tools would you use on Mac or Windows to do the job? I'd say iTunes and iOS compatibility in the end product is a good idea.
CRM video