python' is not recognized as an internal or external command, operable program or batch file sympony code example

Example 1: 'pyinstaller' is not recognized as an internal or external command, operable program or batch file.

# if you're getting this error :
# 'pyinstaller' is not recognized as an internal or external command, operable program or batch file.
# then just write this in CMD:
pip install pyinstaller

Example 2: 'python' is not recognized as an internal or external command

Did you add python to PATH when you downloaded it?
If not, redownload it and make sure you tick the box that says 'add Python to PATH'.