How should I act in order to get her?

So here’s the situation.

A girl is in a relationship with a friend of mine, but he doesn’t want to hang out with her anymore. He still didn’t tell her that in person but he took his distance from her including blocking her number and I told myself this the moment to take a chance with her.

Even if their relationship is not in real good terms the last couple of days and on the verge of being over he’s still in her mind, she’s upset he’s not talking to her nor answering her calls, so I’m wondering what to do.

The weird thing is that she doesn’t act normal with me, we met like 2 or 3 times and she already tells me she trusts me and I’m dear to her. She also hugs me when we meet, and yesterday when we were hanging out with some friends at a coffee shop (her ‘’boyfriend’’ wasn’t with us of course) she put her head over my shoulder and took my hand almost the whole evening. We regularly talk at night via text as well (she even texts me first sometimes).

So I really want to know what all of this means, what’s her game, am I on her mind as well (even if it’s just for a little bit) despite her not being ‘’officially’’ single? Also what’s the next move for me to move all of this forward and not to be just ‘’The friend who just she enjoy being around’’
How should I act in order to get her?
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