How can I use ffmpeg to convert a WMV file to an MP4 file?

You can use ffmpeg to convert a WMV file to an MP4 file by running a command in the terminal or command prompt. The command typically looks like this:

ffmpeg -i inputfile.wmv outputfile.mp4

This command will convert the WMV file named "inputfile.wmv" to an MP4 file named "outputfile.mp4".