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→Common requirements: Python 3.9 incompatibility
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On Windows, follow the below instructions to install Python: | On Windows, follow the below instructions to install Python: | ||
# Uninstall any existing Python version to avoid conflicts. | # Uninstall any existing Python version to avoid conflicts. | ||
# Download the [https://www.python.org/ftp/python/3.7. | # Download the [https://www.python.org/ftp/python/3.7.7/python-3.7.7-amd64.exe Python 3.7 installer] (latest version as of July 2019). | ||
# Run the installer: do a ''system-wide install'' and tick the "''add Python to environment variables / PATH''" option. Note that if you install to the Program Files folder, you may occasionally run into permission issues with certain Python programs. To avoid this, install Python somewhere that does not require administrator permissions, such as <code>C:\Python37</code>. | # Run the installer: do a ''system-wide install'' and tick the "''add Python to environment variables / PATH''" option. Note that if you install to the Program Files folder, you may occasionally run into permission issues with certain Python programs. To avoid this, install Python somewhere that does not require administrator permissions, such as <code>C:\Python37</code>. | ||
# Verify that <code>py -3 --version</code> works and gives the correct version (3.7 or higher). {{CLI help}} | # Verify that <code>py -3 --version</code> works and gives the correct version (3.7 or higher). {{CLI help}} | ||
If you have any trouble installing Python, or need more detailed instructions, you can use [https://www.youtube.com/watch?v=ndrCfBJkkvE this video tutorial]. | If you have any trouble installing Python, or need more detailed instructions, you can use [https://www.youtube.com/watch?v=ndrCfBJkkvE this video tutorial]. | ||
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{{alert|class=warning|text=Several tools and libraries (e.g. oead) are not compatible with Python 3.9 yet [https://bugs.python.org/issue41237 because of CPython issue #41237]. 3.9 compatibility will be added when Python 3.9.1 is released with the bug fix, which is due to happen in December 2020. | |||
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