Combine video and audio - how it works

With the free program Avidemux you can easily combine video and audio. We'll show you how in a step-by-step guide.

1. Drag and drop the desired video into the program with the mouse.
2. In the menu bar, click on "Audio"> "Main audio track".
3. Select "External MP3" or "External WAV" for "Audio source" instead of "Video", depending on the file type of the desired audio file.
4. Click "Open" and select the audio file from your PC. Confirm with OK".
5. In the bar on the left, set the desired format that the edited video should have. Here you should set the same format as the original video to avoid quality loss.
6. Click on "File"> "Save"> "Save Video" in the menu bar and save the file in the desired location.
7. You will now find the finished video in the selected location on your computer.

On the next page we show you the three best free video editing programs in comparison.