Please help, I need advice!

Good Evening. I'm hoping you can help as I have no idea where to go. My 17 year old daughter has finally got her diagnosis of HF Autism. I have no idea where to go for help and advice for her. We have had nothing up until now and she has been struggling for years. Can you direct me to a website or page or anything. She is struggling with her traits and I have no idea how to help. I hope this makes sense. Thankyou