The hope can help you, and explain all the commands under the environment of CMD running
1 installation process of PIP install XXX -i https://pypi.tuna.tsinghua.edu.cn/simple/tsinghua mirror sites
Is quicker
2 wheel need to manually install download file on the https://www.lfd.uci.edu/~gohlke/pythonlibs website to find the corresponding files, one is to determine the native python version, type in python command (version 3.8) the second is to determine the native operating system digits (under the system menu Settings to find about) (such as the machine is 64). Choose 38 (file, three in the file directory PIP install file to install
3 version PIP itself sometimes wrong, upgrade version, command: python -m PIP install - upgrade PIP -i https://pypi.tuna.tsinghua.edu.cn/simple/
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