Installation is as simple as: ```bash pip install pydantic ``` *pydantic* has no required dependencies except python 3.6, 3.7, 3.8, or 3.9 (and the dataclasses package for python 3.6). If you've got python 3.6+ and `pip` installed, you're good to go. Pydantic is also available on [conda](https://www.anaconda.com) under the [conda-forge](https://conda-forge.org) channel: ```bash conda install pydantic -c conda-forge ``` *pydantic* can optionally be compiled with [cython](https://cython.org/) which should give a 30-50% performance improvement. Binaries are available from [PyPI](https://pypi.org/project/pydantic/#files) for Linux, MacOS and 64bit Windows. If you're installing manually, install `cython` before installing *pydantic* and compilation should happen automatically. To test if *pydantic* is compiled run: ```py import pydantic print('compiled:', pydantic.compiled) ``` *pydantic* has three optional dependencies: * If you require email validation you can add [email-validator](https://github.com/JoshData/python-email-validator) * use of `Literal` prior to python 3.8 relies on [typing-extensions](https://pypi.org/project/typing-extensions/) * [dotenv file support](usage/settings.md#dotenv-env-support) with `Settings` requires [python-dotenv](https://pypi.org/project/python-dotenv) To install these along with *pydantic*: ```bash pip install pydantic[email] # or pip install pydantic[typing_extensions] # or pip install pydantic[dotenv] # or just pip install pydantic[email,typing_extensions,dotenv] ``` Of course, you can also install these requirements manually with `pip install email-validator` and/or `pip install typing_extensions`. And if you prefer to install *pydantic* directly from the repository: ```bash pip install git+git://github.com/samuelcolvin/pydantic@master#egg=pydantic # or with extras pip install git+git://github.com/samuelcolvin/pydantic@master#egg=pydantic[email,typing_extensions] ```