Use your lips.
The same way you kiss any girl: with your lips.
Tilt her face up gently to yours, lean down and kiss her.
Kiss her alot, touch her body, play with her vagina, like her boobs, kiss her neck, tell her how sexy she is
Attempt to kiss her at every opportunity.
and if i do kiss a girl can she give me a hickey when she kisses me back
The same way you would kiss any other girl.
When a girl tries to kiss your bellybutton, it is a way of showing affection.
The same way you would kiss any other girl.
Tounge kiss or French kiss. She will never forget.
You would kiss her the same way you would kiss her at any other time.
Consider that maybe the girl only considers you a friend, and therefore may not want to kiss you. If you feel like your more then friends then the best way to approach a kiss is to find a reason to look into their eyes, lean in and see how they react. If they lean in, to proceed with the kiss, if not abort the kiss and either try again later or give up on that particular girl and move on.