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Here I'm using python 3.9.0

pyinstaller : The term 'pyinstaller' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
Shashi Kumar
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    ```pip install pyinstaller``` did you install ```pyinstaller```? –  Jul 28 '21 at 05:58
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    If you have installed `pyinstaller`, maybe the pyinstaller path not in system's PATH. – zhenhua32 Jul 28 '21 at 05:59
  • Yes, I installed it. – Shashi Kumar Jul 28 '21 at 06:00
  • Find the "pyinstaller" executable in the Python installation and use its full path on command line. – Michael Butscher Jul 28 '21 at 06:05
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    Does this answer your question? [Pyinstaller is not recognized as internal or external command](https://stackoverflow.com/questions/45951964/pyinstaller-is-not-recognized-as-internal-or-external-command) – import random Jul 28 '21 at 06:12
  • C:\Users\Shashi Kumar>AppData\Roaming\Python\Python39\Scripts>pyinstaller copy.py 'AppData\Roaming\Python\Python39\Scripts' is not recognized as an internal or external command, operable program or batch file. – Shashi Kumar Jul 28 '21 at 06:32
  • You are in the wrong Program. You can't execute pyinstaller from the PowerShell. You have to open a command shell terminal. See my answer below. – Martin Wettstein Jul 28 '21 at 06:34
  • You have not installed `pyinstaller` as Administrator, but for a single user. Did you really mean to do that? – BoarGules Jul 28 '21 at 06:53

3 Answers3

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So pyinstaller isn't on your path

According to WikiPedia A path is a string of characters used to uniquely identify a location in a directory structure. It is composed by following the directory tree hierarchy in which components, separated by a delimiting character, represent each directory.

Checkout this Question from Stackoverflow it will help you

Aditya
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The problem here is that you are not in the shell but in Microsoft PowerShell. That's something completely different. Even if it looks a little like a command shell.

Exit the PowerShell and open the command shell by pressing "Windows Logo"+R, enter cmd and hit OK. Then, you can execute pyinstaller.

Alternatively (and sometimes much easier), you can create a Batch file to execute the pyinstaller command line with all necessary options. Just create an empty text file, write the command in it, write pause on the last line and store it with the extension .BAT. You can then double-click it to execute the command. (pause is necessary to keep the terminal open until you have read all messages, warnings and errors)

Martin Wettstein
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I resolved it by this process.
Run this command in the respective path where you got an error.

pip uninstall pyinstaller

go to main python folder C:\Users\USER NAME\AppData\Roaming\Python and open powershell window in the python path and Now run this command.

pip install pyinstaller
Shashi Kumar
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