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Error building dependencies when installing spaCy #12067

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LLVM is required to build BLIS, which is a dependency of the Thinc ML library that spaCy relies on. This is usually not a requirement for end-users as we provide pre-built BLIS binaries for most major platforms and OSes, but it seems like you're currently running a 32-bit version of Python.

Could you upgrade to a 64-bit version of Python, upgrade pip to the latest version and try to reinstall spaCy? That ought to automatically download the pre-built binary wheels for Windows.

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Answer selected by adrianeboyd
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install Installation issues windows Issues related to Windows
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