Your first year of lifting?! Man, enjoy the newb gains. You will gain no matter what you do (basically). If you can use the knowledge from this forum to your advantage then you will be set! Here are a few tips
Count your macros. Establish this habit early in your training. Eat, eat and eat some more.
Find a nice workout routine that you will enjoy doing. Lots of basic routines to help get you started. Most will say 5x5. Establish perfect form on the basic compound lifts and go heavy on them.
As for supplements go, just stick with the basics for now.
Protein, creatine, fish oil, multi V and a pre workout. You can also include BCAAs. Something like EAminoMax. Performax Labs offers a few different types of pre workouts. Just depends if you want a stim or not.
Get back with us on what further advice you need. Here to help.