ok im pretty much repeating everyone else but yeah, there is NO WAY you can play classic unless the account you have was created IN CLASSIC, if you try logging in it will say "This account is not an RS-Classic account" hope this helped, also you have to make the classic account a member in order to play.
Well thats a pretty silly question to ask to be honisted,but if your not sure you might aswell.I can tell you that they is no possible way to make any rsc char's well not from our computers any way.The only way i would of though if you contacted jage and they would make you one.Witch is never goin to happen so dont try it lol.