The libraries in each release are compiled for all recent major versions of CircuitPython. Please download the one that matches the major version of your CircuitPython. For example, if you are running 3.0.0 you should download the
To install, simply download the matching zip file, unzip it, and copy the lib folder onto your CIRCUITPY drive. Non-express boards such as the Trinket M0, Gemma M0 and Feather M0 Basic will need to selectively copy files over.