: Use an archive manager like 7-Zip or WinRAR.
: You must have all preceding and succeeding parts (e.g., G9hc_x264.7z.001 , G9hc_x264.7z.002 , etc.) in the same folder. G9hc_x264.7z.003
: Once extracted, the resulting file (likely an .mp4 or .mkv ) can be played using universal media players like VLC Media Player . Encode/H.264 – FFmpeg : Use an archive manager like 7-Zip or WinRAR