Python: command “python -m pip install --upgrade pip” doesn't work

[snippsat]

Did you read my answer in your lasted thread?

[WinError 5] check the permissions

Run cmd as administrator

Again look at Python 3.6/3.7 and pip installation under Windows,it should take short time to fix this.
Then it work like this from any folder,always.

# Upgrade
C:\code
λ python -m pip install --upgrade pip
Collecting pip
  Downloading ......
     |████████████████████████████████| 1.4MB 2.2MB/s
Installing collected packages: pip
  Found existing installation: pip 19.2.1
    Uninstalling pip-19.2.1:
      Successfully uninstalled pip-19.2.1
Successfully installed pip-19.2.3

# Test
C:\code
λ pip -V
pip 19.2.3 from c:\python37\lib\site-packages\pip (python 3.7)