yes
That depends if your state requires a license. Most don't.
Old enough!
No if the gun is not registered in your name , no you can not own a gun. if you do not have license to own a gun you can not have it either
you just have to be 18 - 21 or legal age to own a gun. and you best luck is at walmart
It depends on where you are and what you mean by "license." In the U.S. in most states, you have to be 21 to get a handgun carry permit. In most states, you do not need a license just to own a gun.
No.
No it's not necessary.
You don't need a gun license if you are 25 but if your under 25 you do need a gun license
see the link below for UK air gun laws
In states that require them, it is a license to own (not to carry concealed) a gun.
No.