Why pip is not working ?

Question

'Pip' is not recognized as an internal or external command

Answer 1

Probably due to different path allocation.

Add path for 'Pip' as explained below

You can see this..

https://stackoverflow.com/questions/23708898/pip-is-not-recognized-as-an-internal-or-external-command

Answer 2

On Windows this should work:
py -m pip install <package name>

Answer 3

1) In Linux Debian/Ubuntu
you can try this :-
apt install python-pip #for python 2
apt install python3-pip #for python 3

2) In windows
Add path Variable

https://matthewhorne.me/how-to-install-python-and-pip-on-windows-10/#:~:text=Add%20PIP%20to%20the%20Windows%20Environment%20Variables&text=Next%20select%20Environmental%20Variables%20and,New%20and%20type%20the%20following.&text=It%20should%20look%20something%20like,on%20all%20the%20opened%20windows.