打开 https://ffmpeg.org/download.html，选择安装包 Windows builds from gyan.dev。

在 git master builds 或 release builds 下载。

可以通过 Win+S，搜索“环境变量”添加所在目录。

libraries in essentials build

avisynth+ libaom libass libfreetype libfribidi libharfbuzz libgme libgsm libmp3lame libopencore-amrnb libopencore-amrwb libopenjpeg libopenmpt libopus librubberband libspeex libsrt libssh libtheora libvidstab libvmaf libvo-amrwbenc libvorbis libvpx libwebp libx264 libx265 libxvid libzimg libzmq mediafoundation openal sdl2

additional libraries in full build

chromaprint frei0r ladspa lcms2 libaribb24 libaribcaption libbluray libbs2b libcaca libcdio libcodec2 libdav1d libdavs2 libdvdnav libdvdread libflite libilbc libjxl liblc3 liblensfun libmodplug libmysofa liboapv libplacebo libqrencode libquirc librav1e librist libshaderc libshine libsnappy libsoxr libsvtav1 libtwolame libuavs3d libvvenc libxavs2 libxevd libxeve libzvbi opencl vulkan whisper

hardware-support libraries in all builds

amf cuda cuvid d3d11va d3d12va dxva2 libvpl nvdec nvenc vaapi