First of all, increase your certainty and Self esteem by converting you in your best version.
How can you do it?
Create a striking lifestyle
Attend courses, follow several hobbies, go to the gym.
Go partying.
Meet new people every day. Make it your goal to meet at least one new person every day, it does not matter if they are a man or a woman.
When you meet them, go for the most difficult, do not meet children or elders, have a friendship with beautiful women. They have more beautiful friends.
DO NOT BE AFRAID OF REJECTION, NOR YOU ARE FOR ALL WOMEN, NOR ALL WOMEN ARE FOR YOU.
Go and have fun, the worst that can happen is that they tell you NO, and if you try100 women to gowith you and you date with one. You had 99 lessons that will make you 99 times better on your next attempt.
BE A DIRECT MAN, TELL HER WHAT YOU FEEL.
No romantic things or you Scare her, Tell her that she is pretty sexy and other blah blah blah.
Make her smile A LOT. Invite her to go out in the night.
Play and touch a lot when you talk to her but in a friendly way.
If you let yourself get closer.
Finally steal her a kiss, if she dont reject you, everything is done .. !! The following step is given by the way.
If you screw it up change the conversation and find another girl, provoke jealousy and she wants be with you in a few days.