Windows: https://ffmpeg.zeranoe.com/builds/ (You will need to tell the proxy where FFMPEG is installed, it should be the full path to the exe ie. c:\ffmpeg\ffmpeg.exe ...
Download it and extract the file. Put the scripts to the 'www' or 'htdocs' directory. Create a database. Import the 'search_engine.sql' file to your database. Go to config folder and open 'config.php' ...