All pip install attempts are met with SSL error

[metulburr]

is this a personal computer at home or a business computer that might have a web content filter?

On Unix the default configuration file is: $HOME/.config/pip/pip.conf which respects the XDG_CONFIG_HOME environment variable.

On macOS the configuration file is $HOME/Library/Application Support/pip/pip.conf.

On Windows the configuration file is %APPDATA%\pip\pip.ini.

Do you have a config file with the content of...?

[global]
trusted-host = pypi.python.org