luceos LucasLeandro please don't post the same question in other discussions. Focus your installation question in this thread, as you've noticed we're glad to help you out!
webeindustry Generally the command composer require {flarum-ext-name} is all that's necessary. If complications occur a php flarum cache:clear is the second go-to command. Have you tried this already? Give us some more information so we know how to help.
