Can I gain weight in 2 months?

I'll be in college in 2 months. But I have a problem though. Im skinny. Skinny as in 42 kgs with my height as 5'3". So you can imagine how skinny I am. I really want to gain weight in preparation for my college. So, how do I gain weight in 2 months? And is it possible to gain weight in 2 months? Thnks soooo much ;p