Can you be friends with female co worker that you just started working?

long story short, this girl from my workplace keeps making eye contact whenever I walk past her office, and I'm not sure if she's just curious about me or interested in me
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Update**

Now That I have worked for quite some time , she starts to open up to me , like saying hello whenever I walk around her office and she always wave Hello When I have to move around the HQ, is she just being friendly or am i too dense to pick up the hints?

(by the way She's like way younger than me , im 24 and she's 17)
Can you be friends with female co worker that you just started working?
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