I am trying to use Pyinstaller in the Command Prompt, but I receive error:

c:scan-certify>CALL ..venvScriptsactivate.bat
The system cannot find the path specified.

c:scan-certify>pyinstaller .main.spec --clean
'pyinstaller' is not recognized as an internal or external command,
operable program or batch file.

Current build bat being used:

CALL ..venvScriptsactivate.bat
pyinstaller .main.spec --clean

Here is a photo of the folder being available and can access activate.bat:

If there is more information needed, please let me know