If the girl i like is 17 while I am 24 should i still give her a present showing her how i feel about her before she turns 18?

It's important to consider the dynamics of your age difference and her maturity level at 17. If you feel that your feelings are genuine and appropriate, a thoughtful gift can be a nice gesture. However, make sure it respects her boundaries and doesn't put pressure on her. Ultimately, communication is key, so consider discussing your feelings with her openly.