Upgrading pip3 on windows

upgrade_pip3.bat

REM where is windows alternative to which in Nix platforms
where pip3
REM Output : %APPDATA%\Local\Programs\Python\Python3\Scripts\pip3.exe
REM %APPDATA% is an environment variable and won't show like that. Will show actual full path like: C:\Users\Foo\AppData\Local\Programs\Python\Python38\Scripts\pip3.exe

where easy_intall
REM Output will show multiple paths if multiple versions of Pythons are installed. Choose the one in same directory where pip3 installed like above.

"<Drive Letter>:\path\to\easy_install.exe" -U pip
REM E.g.: "C:\Users\Foo\AppData\Local\Programs\Python\Python38\Scripts\easy_install.exe" -U pip

REM check version
pip3 -V

REM Below command may not work well
py -m pip3 -V