With Composer

Require the extension with composer:

composer require waldhacker/typo3-oauth2-client

Activate it either via command line or in the extension manager

./bin/typo3 extension:activate oauth2_client

Without Composer

Download the extension from TER and activate it in the extension manager.


Please note that the TER version comes with only the GenericProvider - as additional providers cannot be required by composer, if you want to use a more specific provider to ease configuration, please load it yourself.