No. The state of Kentucky does not require handgun registration.
Go to the nearest police station. Actually, the answer is, you don't. The state of Florida does not require handgun registration.
Kansas does not require handgun registration, so the answer is, you can't register it.
No. As of 2010, Arizona allows anyone who can legally own a handgun to carry it, openly or concealed, without a permit. Before then, you could carry openly without a permit, but not concealed.
Arizona is an open carry state. If you can legally own a handgun, you can carry it openly without a permit. If you want to carry a concealed handgun, you need a permit.
Yes, Illinois requires handgun registration.
No, Missouri does not require handgun registration.
If you are asking how to change registration of a handgun in Arizona, the answer is, you don't. There is no such thing as registration. Arizona does not require it, and there is no national registration.
Yes.
No
You don't. Kansas doesn't require registration.
It depends on where you are. In most states, you don't register handguns. If you live in a state where it is required (it's only required in 5 or 6 states), check with your local police department.