So first, set your expectations. Learning a language takes a lot of time. A LOT. How long overall really depends on how much time per day you do it. But rest assured, if you do stick with it you are going to learn it. If you dedicated every waking hour, you could get to a high level in maybe half a year. But you’d have no life and would probably burn out. A more reasonable pace is 1.5-2 years. That sounds like a lot, but remember you don’t have to be fully fluent for it to be useful and to make connections in the language. Even after a couple months, you’ll be able to do a lot. And besides, two years is going to pass by anyway - the only question is do you want to be bilingual by the end of it?

I highly, super recommend checking out Dreaming Spanish - it’s a channel/site that teaches Spanish through a method called comprehensible input. Basically, all you do is watch, listen, and read in Spanish totally in Spanish, no translations whatsoever. That sounds intimidating, but the beginner stages they really talk at you like you’re a baby almost. They talk with their hands a lot and use drawings. That’s the most important part, because in the beginning you won’t be able to understand any Spanish or hardly any. But by making it so simple you can basically understand even though you don’t know the words. After a hundred or so hours of this, you can move on to slightly less easy content. And so on and so on until you can understand just regular media in spanish. At that point, your learning will really take off, because you can watch things that you’re actually interested in and that will capture your attention more.

They don’t do any explicit grammar or vocabulary practice. That’s on purpose, the arguments of comprehensible input is that language isn’t learned, it’s acquired. You didn’t learn English by rote memorization, you listened a lot. If you can hear a few words and make the connection to the meaning by watching, and then you hear that word dozens or hundreds of times more - you will have a better understanding of that word than a simple translation flashcard could ever give you. Because words don’t have just one meeting they’re complex and change in different situations. But the best part is through this method you won’t even realize that you’re learning these words. Same goes with grammar, with this method things just kind of sound right. You can use the correct grammar, but you might not necessarily be able to explain why. Just like native speakers.

I’ve personally listened, or watched over a thousand hours of things in Spanish in a bit over a year. And at this point most media is almost as easy to watch as English for me. I also read the full Harry Potter series in Spanish. (It was rough at first, but after I got used to the writing style a lot of the times I’d forget it was in Spanish in the more exciting sections) I need to practice speaking more, I can definitely do it and be understood but it lacks pretty significantly behind my understanding but that is really just a question of how much practice I can get. But once you’ve banked 1k, 1.5k hours the rate at which your speaking will improve is way faster than the process of learning so far.

Check out this this playlist of videos that really explains things in more depth. It has English subtitles you’ll have to turn on. https://youtube.com/playlist?list=PLlpPf-YgbU7GrtxQ9yde-J2tfxJDvReNf

They have a ton of free content, and if you want more you can pay just $8 a month - but honestly if you do a few hours a day after a couple months you’ll be able to just watch some YouTube videos of native speakers and you won’t really need dreaming Spanish anymore. But the site does have a handy hour tracker that you don’t need to pay for at all that I still use to this day.

I’ve tried to learn French, german, and even Spanish before but until this try when I discovered this method, I didn’t really get anywhere. At this point I’m almost comfortable saying that I’m bilingual. And it really doesn’t take that much effort just make it a routine, and once you can get into more advanced and interesting videos just watch things that you’re interested in. When you really get good, you can just watch the TV shows and movies that you already like to watch, but put on the Spanish dub. It’s that easy. I’m not doing anything differently now than I was before I knew Spanish but I’m learning every day because I just do the things I normally did but in spanish!

You can start their Super Beginner (most basic level) here: https://youtube.com/playlist?list=PLlpPf-YgbU7GbOHc3siOGQ5KmVSngZucl

But I’d recommend doing it on https://www.dreamingspanish.com/ where it will automatically track your watch time, let you filter by person/accent/level/topic, etc.

The beginning is by far the hardest part. The least interesting videos, the least level of comprehension. It will feel like a chore. Luckily the beginning is where you have the most motivation to push through it.