Theres plenty of stuff on this forum for you to read. I started knowing nothing and i have bud 2 smoke.
But basicly you turn your lights times to 12on and 12off and your plant will flower. If its female and you get buds and when they are mature you dry them and smoke them. If your plant is male then no bud for you, i think there is some thc content but females are what we all want.