How to create a .exe of a python script

Question

I've been trying to use pyinstaller, but it never creates it. There is always this error:

I've found that if I put this, it should work, but it doesn't. Does somebody know how to do it? .\pyinstaller --onefile -w 'filename.py'

Answer 1

Add Your pyinstaller directory PATH to environment variable.

Answer 2

Search for 'Edit system environment variables' in control panel and add (C:\Users"Your username"\AppData\Local\Programs\Python\Python311\Scripts) to PATH