D:\Program Files\python_3_6_4>python -m pip install –upgrade pip
Cache entry deserialization failed, entry ignored
Collecting pip
Cache entry deserialization failed, entry ignored
Downloading https://files.pythonhosted.org/packages/a4/6d/6463d49a933f547439d6b5b98b46af8742cc03ae83543e4d7688c2420f8b/pip-21.3.1-py3-none-any.whl (1.7MB)
100% |████████████████████████████████| 1.7MB 299kB/s
Installing collected packages: pip
Found existing installation: pip 9.0.1
Uninstalling pip-9.0.1:
Successfully uninstalled pip-9.0.1
Successfully installed pip-21.3.1

Special Note.
If multiple versions of python are installed
you must execute python -m pip install –upgrade pip in the correct location (directory, folder)

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