Either 1) you start your account as a woman, or 2) you change your gender by talking to the make-over mage. He/she is located in a house southwest (and outside) of Falador.
RuneScape subscription is when you suscribe and you become a member.
You don't "become a thieve", you just improve your thieving skills. You can start by pickpocketing men and women; at higher levels of Thieving, there are many better alternatives.
It say on the Runescape site how to become a member.
Runescape forums.
You may get invited to be one.
To become a RuneScape member do the following:Site Homepage > Account > Account Management > Subscribe > Login > Choose Runescape > Choose Payment option > Complete Payment Option > Play Runescape Members! ---- Note: This question is a catch-all question, because questions like these are always asked.
being a good and mature player.
Train your strength.
You cannot become a Runescape classic member anymore. You have to be a classic member before the conversion to Runescape 2. The Runescape classic is only available to members on a trial basis, or to accounts created during the classic period.
You can buy Runescape membership cards at target. That way you don't have to use a credit card online.
Yes.
Yes.