That depends on a number of factors. If you want to practice magick formally, it is a long and difficult process, wherein you will train with the Gardenaerians for a year and a day, or when the priestess decides that you have achieved enough knowledge to move on. Learning never stops and takes a lifetime. Or, you can read a lot of books and become a solitary practitioner. Others simply observe the seasons, solstices and equinoxes and call it good.