Social is a Craft plugin that provides integration with Twitter, Facebook, Instagram, and (sort of) WordPress.
- Put all these files into
craft/plugins/social
. - Run
composer install
within this directory. - Upload the whole folder.
- Login to Craft, go to Settings, Plugins, and click Install next to this plugin.
The settings for all the different networks are managed within the plugin. When the settings are saved, you can revisit the settings page to test whether the settings are working properly.