Salaam, I Need Guidance on Embracing Islam

Asalamu alaikum, I’m new to this and hope my message is clear. I’m 17, male, living in Australia, and have never really encountered Islam or Allah except in negative ways. Lately, I’ve been exploring different faiths because I find religion interesting. I used to be a strong atheist, but something about Islam feels different to me. Over the past few days, I’ve been reading and learning more deeply. I was advised to learn Arabic, which I’ve always wanted to do anyway. I found out about the different dialects and decided to start with Fusha to be able to read and pray with the Quran properly. Then I thought about learning Egyptian Arabic since it’s widely spoken. If this approach isn’t right, please let me know. I ordered an English translation of the Quran known for being accurate. I also wanted to try praying all five daily prayers for a full day. Right now, I missed Fajr-not because I was lazy or forgot, but because I was confused. I watched videos on how to perform wudu, but there were many different methods, each claiming to be the correct one. I chose a method taught by a respected mosque, which took about 30 minutes. Then I went outside to pray, since I saw that praying outdoors is good because the air is pure. But then I realized I didn’t really know how to pray properly. It’s been three hours, and I’m still unsure. No one explained what to say, if there are different ways, or which parts are required. I really need help learning how to pray and everything else about Islam. I’ve never met a Muslim near me and only see Muslims when I travel. Also, please let me know if there’s anything haram I should be aware of or any advice for someone new. When I do convert, I’ve heard different things-are all sins forgiven upon accepting Islam, or do I need to repent? And what happens if someone commits haram but doesn’t truly repent? How does that affect us on the Day of Judgment? JazakAllahu khair for any help or guidance you can give me.