Answer:
Crushes are a magical thing where any age fall shortly or longly in love with someone. If you fall in love deeply long it is probably because you have loved this girl or boy for a long time and sometimes it can be because you have been friends with them.
HERE IS SOME OPTIONS IF YOU LIKE THE GIRL OR BOY AND WANT TO MAKE A MOVE. i would recommend the first one
Option.A TELL HER OR HIM HOW YOU FEEL
Option. B what for the perfect moment and kiss them
Option.C if you think they like you back ask them on a date
hope this helps!