However, the distinction here is that, the older you get, the harder it is. A lot is stacked against an older brain, both in its ability to quickly make room for the massive amount of new knowledge required and your life's ability to make time for it.
If you persevere, you can get there, but you're just going to have to understand that it's going to feel like climbing Mount Everest. If you're a kid or teenager, it will come to you much faster and maybe like taking a walk up a small SF street.
Kids can learn a new language simply by watching a subtitled TV show or listening to music in that language. Adults on the other hand need structured exercises, dedicated studying time and immersion.