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Error: “Python Is Not Installed” When Running OpenVINO™ setupvars.bat in Windows® 10

Content Type: Error Messages   |   Article ID: 000057532   |   Last Reviewed: 01/29/2025

Environment

Operating System

Windows® 10, 64-bit*
Windows 10OpenVINO 2020.4Python 3.6Python 3.7

Description

When executing setupvars.bat script to initialize OpenVINO™ environment in Windows® 10, encountered the following error message:
Python is not installed.

Resolution

The error may appear when Python.exe file cannot be found.

Search for Python 3.6.X.exe or 3.7.X.exe location and add Python path to the PATH environment variables, as follows:

  • If Python* is not yet installed:
    • Install Python and during installation, select the checkbox option add python to PATH
  • If Python is already installed, add Python path to the environment variables path, as follows:
    • Select Start and Search for Advanced System Setting
    • Select System properties
    • Select Environment variables
    • Within system variables:
      • select New to add your python.exe file path eg: C:\Users\username\AppData\Local\Programs\Python\Python36, and select Ok, or
      • select Edit to modify your existing path to point to the python.exe file location, as above.
  • If symptoms persist, uninstall and reinstall Python.

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