yes
No it's not necessary.
No.
no
To get a gun license you would need to go into a gun store in the town you live in and ask for the information you need.
no
yes, you just need a license
Generally, no.
Yes.
No.
No ... but their may be an age requirement.
18 but if you are under 18 but over 12 you can have a minor's license where you can't purchase a gun but you can use one and buy ammunition.