# Download & Install

The pyasn1 library is a pure-Python package with no external dependencies. It works with Python 3.8+.

The best way to obtain PyASN1 is by running pip:

    $ virtualenv venv
    $ source venv/bin/activate
    $ pip install pyasn1

You may also want to use pyasn1-modules:

    $ pip install pyasn1-modules

Alternatively, you can download the latest release from GitHub or PyPI.