Hi Yago,

There are many ways to get your english skill fluency.
1. Taking some courses with a tutor on this web site.
2. Learning from Youtube by subscribing either free or paid English learning channels; e.g. BBC Learning English channel, or EngVid channel.
3. Listening and watching movies with a triple-watch technique.
4. Finding some english partners to discuss or exchange.

The most important is a continuous to improve yourself everydays.