Installing FFmpeg | Audacity Support
https://support.audacityteam.org/basics/installing-ffmpeg
Recommended installer Download the FFmpeg installer from https://lame.buanzo.org/ffmpeg.php For most computers, the 64-bit Windows version is correct. Run the installer. You can ignore the "unknown publisher" warning. Read and accept the license Select the location to install FFmpeg. By default FFmpeg will be installed into C:\Program Files\FFmpeg for Audacity Finish the installation Restart Audacity
Download the FFmpeg installer from https://lame.buanzo.org/ffmpeg.php For most computers, the 64-bit Windows version is correct.
Run the installer. You can ignore the "unknown publisher" warning.
Read and accept the license
Select the location to install FFmpeg. By default FFmpeg will be installed into C:\Program Files\FFmpeg for Audacity
Finish the installation
Restart Audacity
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