[FFmpeg-user] how to install and use FFmpeg

[Thanos Natsiopoulos]

Hello,
   Reading about FFmpeg I saw that I can create a multiplexed transport stream with it. I am completely new to this environment and I tried to follow the guides that I found online but without success.   May I please have a simple guide for a begginer user on how to install and create the multiplexed transport stream? I can have access to both windows and ubuntu.
   Thank you in advance.
Kind regards,Thanos