I learned the ALPHABAT (see what I did there 😏 no?.. Ok 😞 lol) first. Then because of kdramas and Kpop I had already learned some phrases. Then I started to learn more words and to read and speak it (writing too but I don't find that as hard). But then I don't have a set schedule (I can't really keep those like I start good but then it goes down real quick lol) anyways now at the stage I'm in now I can understand for the most part but I can't make sentences or really translate that well like I only know a few words here and there but not enough to be like completely know what you're talking about. But I still think it's pretty good because well I taught myself and well I'm not gonna give up. Plus I confuse Japanese sometimes like I was doing this quiz to see how good my Korean was and the word I had to translate was bunny 🐇 but all I could think of was うさぎ (usagi the Japanese word) and the correct one (correct me if I'm wrong I don't really remember it) was 토끼 (tokki the Korean one) wow did I just get off topic? 😳
I started with the alphabet. Practicing the name of the letters, writing, and the sounds they make. And youtube videos. Otherwise, I was already listening to the music and watching kdramas. It's best to surround yourself with the language as much as possible if you want to learn it.