Download the latest binary package (e.g., v1.17.8) from the official website.
is a classic tool for combining (muxing) video and audio streams into AVI or Matroska (MKV) files. Since the original website for the developer, Alexander Noé, is the official source, you can find the latest binaries and documentation on his official page .
Extract the contents; there is no installation required—just run AVIMux_GUI.exe .
Click the button located at the bottom of the top pane. This will populate the bottom pane with the individual streams (video, audio, subtitles). Configure Streams
To set a stream's language, click on the stream name in the bottom pane, press F2 , and type the language code (e.g., "rus" for Russian). Start Muxing Click the "Start" button at the bottom of the window.
Alternatively, right-click in the upper pane and select . Generate Data Source Select the video file you just added.
Creates AVI files with minimal extra data, keeping file sizes small.