i forgot to say you will need to know your draw length.what eye is dominant{do this by putting your hand together and making a small triangle between your thumbs and index fingers now look at something useing both eyes through the gap now close one eye and look at the target then try the other the dominant eye is the one that sees the same as both together.the eye is dominant will let u know if you need a left or right handed bow.
read up on arrow spine 2 or your arrows could break and go through your hand...