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Step 1: Download a ffmpeg static build zip file here. Anyway, I converted a HEVC MKV video to H.264 MP4 with ffmpeg for a test. Worse still, after program installed, the errors like "unrecognized option x265-params", "fail to set value for crf", "unable to read files" happen frequently. Many users, especially the green hands feel at a loss even on installing ffmpeg on computer. You can transcode h265 to h264 with ffmpeg indeed, but this HEVC encoder can be a little difficult to work, especially as it has so many options. And FFmpeg, as a free software project that produces libraries and programs for handling multimedia data would come to your mind firstly. To do this, a H265 to H264 converter is in demand. How to Convert HEVC/H.265 MKV Video to AVC/H.264 MP4 with FFmpeg
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