My crush has depression, how can I help her?

I've got this crush on a girl that I've known for a few months now. She's a year older than me and really cute. we get on really well, and today she told me she has suicidal depression, and has had for a few years. What can I do to help her, I want to care for her and her to realize how much I care for her. because I really do, and I don't want her to go through such hardships.
My crush has depression, how can I help her?
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