To install Python support for Visual Studio (also known as Python Tools for Visual Studio or PTVS), follow the instructions in the section that matches your version of Visual Studio:
Visual Studio 2017 and Visual Studio 2019
Visual Studio 2015
Visual Studio 2013 and earlier
To quickly test Python support after following the installation steps, open the Python Interactive window by pressing Alt+I and entering 2+2. If you don't see the output of 4, recheck your steps.
The Python workload includes the helpful Cookiecutter extension that provides a graphical user interface to discover templates, input template options, and create projects and files. For details, see Use Cookiecutter.
Python support is not presently available in Visual Studio for Mac, but is available on Mac and Linux through Visual Studio Code. See questions and answers.
Visual Studio 2019 and Visual Studio 2017
Download and run the latest Visual Studio installer. If you have Visual Studio installed already, run the Visual Studio Installer, select the Modify option (see Modify Visual Studio) and go to step 2.
The Community edition is for individual developers, classroom learning, academic research, and open source development. For other uses, install Visual Studio 2019 Professional or Visual Studio 2019 Enterprise.
The installer presents you with a list of workloads, which are groups of related options for specific development areas. For Python, select the Python development workload.
Python development workload in the Visual Studio installer
Optional: if you're working with data science, also consider the Data science and analytical applications workload. This workload includes support for the Python and F# languages. For more information, see Data science and analytical applications workload.
On the right side of the installer, chose additional options if desired. Skip this step to accept the default options.
Python development options in the Visual Studio 2019 installer
Python distributions Choose any combination of the available options, such as 32-bit and 64-bit variants of the Python 2, Python 3, Miniconda, Anaconda2, and Anaconda3 distributions that you plan to work with. Each includes the distribution's interpreter, runtime, and libraries. Anaconda, specifically, is an open data science platform that includes a wide range of pre-installed packages. (You can return to the Visual Studio installer at any time to add or remove distributions.) Note: If you've installed a distribution outside of the Visual Studio installer, there's no need to check the equivalent option here. Visual Studio automatically detects existing Python installations. See The Python Environments window. Also, if a newer version of Python is available than what's shown in the installer, you can install that version separately and Visual Studio will detect it.
Cookiecutter template support Installs the Cookiecutter graphical UI to discover templates, input template options, and create projects and files. See Use the Cookiecutter extension.
Python native development tools Installs the C++ compiler and other necessary components to develop native extensions for Python. See Create a C++ extension for Python. Also install the Desktop development with C++ workload for full C++ support.
Azure Cloud Services core tools Provides additional support for developer Azure Cloud Services in Python. See Azure cloud service projects.
After installation, the installer provides options to modify, launch, repair, or uninstall Visual Studio. The Modify button changes to Update when updates to Visual Studio are available for any installed components. (The Modify option is then available on the drop-down menu.) You can also launch Visual Studio and the installer from the Windows Start menu by searching on "Visual Studio".
Launching, modifying, modifying, or uninstalling Visual Studio from the installer
If you encounter problems installing or running Python in Visual Studio, try the following:
Determine whether the same error occurs using the Python CLI, that is, running python.exe from a command prompt.
Use the Repair option in the Visual Studio installer.
Repair or reinstall Python through Settings > Apps & features in Windows.
Example error: Failed to start interactive process: System.ComponentModel.Win32Exception (0x80004005): Unknown error (0xc0000135) at Microsoft.PythonTools.Repl.PythonInteractiveEvaluator.d__43.MoveNext().
Visual Studio 2015
Run the Visual Studio installer through Control Panel > Programs and Features, selecting Microsoft Visual Studio 2015 and then Change.
In the installer, select Modify.
Select Programming Languages > Python Tools for Visual Studio and then Next:
PTVS option in Visual Studio 2015 installer
Once Visual Studio setup is complete, install a Python interpreter of your choice. Visual Studio 2015 supports only Python 3.5 and earlier; later versions generate a message like Unsupported Python version 3.6). If you already have an interpreter installed and Visual Studio doesn't detect it automatically, see Manually identify an existing environment.
Visual Studio 2013 and earlier
Install the appropriate version of Python Tools for Visual Studio for your version of Visual Studio:
Visual Studio 2013: PTVS 2.2 for Visual Studio 2013. The File > New Project dialog in Visual Studio 2013 gives you a shortcut for this process.
Visual Studio 2012: PTVS 2.1 for Visual Studio 2012
Visual Studio 2010: PTVS 2.1 for Visual Studio 2010
Install a Python interpreter of your choice. If you already have an interpreter installed and Visual Studio doesn't detect it automatically, see Manually identify an existing environment.
By default, Python support is installed for all users on a computer.
For Visual Studio 2019 and Visual Studio 2017, the Python workload is installed in %ProgramFiles(x86)%\Microsoft Visual Studio\<VS_version>\<VS_edition>Common7\IDE\Extensions\Microsoft\Python where <VS_version> is 2019 or 2017 and <VS_edition> is Community, Professional, or Enterprise.
For Visual Studio 2015 and earlier, installation paths are as follows:
Path: %Program Files(x86)%\Microsoft Visual Studio <VS_ver>\Common7\IDE\Extensions\Microsoft\Python Tools for Visual Studio\<PTVS_ver>
Registry location of path: HKEY_LOCAL_MACHINE\Software\Microsoft\PythonTools\<VS_ver>\InstallDir
Path: %Program Files%\Microsoft Visual Studio <VS_ver>\Common7\IDE\Extensions\Microsoft\Python Tools for Visual Studio\<PTVS_ver>
Registry location of path: HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\PythonTools\<VS_ver>\InstallDir
14.0 for Visual Studio 2015
12.0 for Visual Studio 2013
11.0 for Visual Studio 2012
10.0 for Visual Studio 2010
<PTVS_ver> is a version number, such as 2.2, 2.1, 2.0, 1.5, 1.1, or 1.0.
User-specific installations (1.5 and earlier)
Python Tools for Visual Studio 1.5 and earlier allowed installation for the current user only, in which case the installation path is %LocalAppData%\Microsoft\VisualStudio\<VS_ver>\Extensions\Microsoft\Python Tools for Visual Studio\<PTVS_ver> where <VS_ver> and <PTVS_ver> are the same as described above.
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