Why is \'Microsoft Visual C 14.0 Required\' for lxml Installation on Windows and How Can I Fix It?

Lxml Installation Error on Windows: Resolving "Microsoft Visual C 14.0 Required"

When attempting to install the lxml package using pip in Windows 10, users may encounter the error message "Microsoft Visual C 14.0 is required." This issue arises despite potentially having Visual Studio 2015 installed.

To resolve this issue, follow these steps:

1. Verify Visual Studio C Compiler Installation: Ensure that you have installed the C compiler when installing Visual Studio. Open the Visual Studio setup under Programs and Features and navigate to Programming Languages -> VC . Confirm that the option is ticked.
2. Update Visual Studio 2015: Check for any available updates for Visual Studio 2015. Installing updates may include missing components necessary for lxml installation.
3. Reinstall Visual Studio C Build Tools: If the issue persists, try manually downloading and installing the Visual Studio C Build Tools from Microsoft's official website.

4. Enable Visual C Toolkit for Python: Open a Visual Studio Command Prompt as an administrator and run the following command:

   "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x86

   This command will temporarily set the environment variables required by Python to build the lxml extension.

5. Install lxml Again: After completing the above steps, attempt to install lxml through pip again using:

   pip install lxml

By following these steps, you should be able to successfully install lxml without encountering the "Microsoft Visual C 14.0 required" error.

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