How will i use my Whey Protein?

My friend gave me a whey protein and told me that this can help me gain weight and stuff. I am a 17 year old, 112 pounds and my height is 5'7. I started working out yesterday and im also trying to build some muscle so how will i use it like how many times in a week? how much powder will i use with water or any drink or any suggestions that can help me gain weight and build some muscle the only thing i have right now is they whey protein (http://www.walmart.com/ip/Body-Fortress-Dietary-Supplement-Strawberry-Super-Advanced-Whey-Protein-32-oz/10322372) and i lift weights on the gym.