install Sox install ffmpeg install miktex install pycairo, this can be pycairo‑1.19.1‑cp37‑cp37m‑win_amd64.whl or pycairo‑1.19.1‑cp37‑cp37m‑win32.whl depending on your achitecture and python version. ...
# This file is used internally by FFMPEG. file 'file:D:/GitHub/python/Manim/1_Tutorial/2_Homepage_Sample/008/media/videos/OpeningManim/1080p60/partial_movie_files ...